Home / 38,909.92-58,380-15,552.76

Finding the Fourth Proportional to 38,909.92, 58,380 and 15,552.76

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Solution

The fourth proportional to 38,909.92, 58,380 and 15,552.76 is: 23,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,909.92 : 58,380 = 15,552.76 : x
  2. Step 2: Convert to fraction form
    38,909.92/58,380 = 15,552.76/x
  3. Step 3: Cross multiply
    38,909.92x = 58,380 × 15,552.76
  4. Step 4: Simplify right side
    38,909.92x = 907,970,128.80
  5. Step 5: Solve for x
    x = 907,970,128.80/38,909.92
  6. Step 6: Final answer
    x = 23,335.18

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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.