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Finding the Fourth Proportional to 23,321.28, 34,981.92 and 9,460.56

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Solution

The fourth proportional to 23,321.28, 34,981.92 and 9,460.56 is: 14,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.28 : 34,981.92 = 9,460.56 : x
  2. Step 2: Convert to fraction form
    23,321.28/34,981.92 = 9,460.56/x
  3. Step 3: Cross multiply
    23,321.28x = 34,981.92 × 9,460.56
  4. Step 4: Simplify right side
    23,321.28x = 330,948,553.08
  5. Step 5: Solve for x
    x = 330,948,553.08/23,321.28
  6. Step 6: Final answer
    x = 14,190.84

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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.