Home / 38,572.29-57,880.29-15,215.13

Finding the Fourth Proportional to 38,572.29, 57,880.29 and 15,215.13

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Solution

The fourth proportional to 38,572.29, 57,880.29 and 15,215.13 is: 22,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.29 : 57,880.29 = 15,215.13 : x
  2. Step 2: Convert to fraction form
    38,572.29/57,880.29 = 15,215.13/x
  3. Step 3: Cross multiply
    38,572.29x = 57,880.29 × 15,215.13
  4. Step 4: Simplify right side
    38,572.29x = 880,656,136.79
  5. Step 5: Solve for x
    x = 880,656,136.79/38,572.29
  6. Step 6: Final answer
    x = 22,831.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.