Home / 38,981.28-58,463.28-15,601.44

Finding the Fourth Proportional to 38,981.28, 58,463.28 and 15,601.44

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Solution

The fourth proportional to 38,981.28, 58,463.28 and 15,601.44 is: 23,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.28 : 58,463.28 = 15,601.44 : x
  2. Step 2: Convert to fraction form
    38,981.28/58,463.28 = 15,601.44/x
  3. Step 3: Cross multiply
    38,981.28x = 58,463.28 × 15,601.44
  4. Step 4: Simplify right side
    38,981.28x = 912,111,355.12
  5. Step 5: Solve for x
    x = 912,111,355.12/38,981.28
  6. Step 6: Final answer
    x = 23,398.70

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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.