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Finding the Fourth Proportional to 52,397.92, 78,608.76 and 17,337.52

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Solution

The fourth proportional to 52,397.92, 78,608.76 and 17,337.52 is: 26,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,397.92 : 78,608.76 = 17,337.52 : x
  2. Step 2: Convert to fraction form
    52,397.92/78,608.76 = 17,337.52/x
  3. Step 3: Cross multiply
    52,397.92x = 78,608.76 × 17,337.52
  4. Step 4: Simplify right side
    52,397.92x = 1,362,880,948.68
  5. Step 5: Solve for x
    x = 1,362,880,948.68/52,397.92
  6. Step 6: Final answer
    x = 26,010.21

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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.