Ratio of 15 to 31 (15:31)

Ratio of 15 to 31

A ratio of 15 to 31 can be written as 15 to 31, 15:31, or 15/31. Furthermore, 15 and 31 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.

A ratio of 15 to 31 simply means that for every 15 of something, there are 31 of something else, with a total of 46.

In the box below, you can enter a number in either box and we will calculate the other number to keep the ratio of 15 to 31. In other words, we will calculate the corresponding equivalent ratio of 15:31 for you.

To calculate the left side of the ratio, our calculator multiplies the right side by 15 and then divides the product by 31. To calculate the right side of the ratio, our calculator multiplies the left side by 31 and then divides the product by 15. Answers are rounded to two decimals if necessary.

Below is a list of equivalent ratios of 15:31 that we created using our 15:31 ratio calculator above.

15:31

30:62

45:93

60:124

75:155

90:186

105:217

120:248

135:279

150:310

165:341

180:372

We have also created a pie chart for you to put 15:31 ratio in perspective. To do so, we divided a pie into 46 pieces and then colored 15 pieces green and 31 pieces blue. The pie will look exactly the same using any equivalent ratio of 15:31.

15 to 31 pie ratio

The green part of the pie covers 32.61% and the blue part covers 67.39%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:

(15 / 46)×100 ≈ 32.61
(31 / 46)×100 ≈ 67.39

In fractional terms, 15/31 of the pie above is colored in green. This means that the ratio of 15 to 31 or 15:31 can also be expressed as a fraction, where the 15 to the left of the colon is the numerator and the 31 to the right of the colon is the denominator:

15:31 = 15/31

Ratio is often used when defining rectangles in width:height format. Width and height can be feet, inches, centimeters, or any other kind of length. With a ratio of 15 to 31, the width is 15 and the height is 31. Below is a picture of what a rectangle with a ratio of 15:31 looks like.

15 to 31 pie rectangle

Since the simplest form of the fraction 15/31 is 15/31, the simplest form of the ratio 15:31 is also 15:31.

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