Home / 40,781.28-56,280.96-22,877.76

Finding the Fourth Proportional to 40,781.28, 56,280.96 and 22,877.76

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Solution

The fourth proportional to 40,781.28, 56,280.96 and 22,877.76 is: 31,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.28 : 56,280.96 = 22,877.76 : x
  2. Step 2: Convert to fraction form
    40,781.28/56,280.96 = 22,877.76/x
  3. Step 3: Cross multiply
    40,781.28x = 56,280.96 × 22,877.76
  4. Step 4: Simplify right side
    40,781.28x = 1,287,582,295.45
  5. Step 5: Solve for x
    x = 1,287,582,295.45/40,781.28
  6. Step 6: Final answer
    x = 31,572.88

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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.