Home / 22,516.92-31,044.48-15,431.04

Finding the Fourth Proportional to 22,516.92, 31,044.48 and 15,431.04

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Solution

The fourth proportional to 22,516.92, 31,044.48 and 15,431.04 is: 21,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,516.92 : 31,044.48 = 15,431.04 : x
  2. Step 2: Convert to fraction form
    22,516.92/31,044.48 = 15,431.04/x
  3. Step 3: Cross multiply
    22,516.92x = 31,044.48 × 15,431.04
  4. Step 4: Simplify right side
    22,516.92x = 479,048,612.66
  5. Step 5: Solve for x
    x = 479,048,612.66/22,516.92
  6. Step 6: Final answer
    x = 21,275.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.