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Finding the Fourth Proportional to 37,792.64, 52,151.64 and 20,793.98

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Solution

The fourth proportional to 37,792.64, 52,151.64 and 20,793.98 is: 28,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,792.64 : 52,151.64 = 20,793.98 : x
  2. Step 2: Convert to fraction form
    37,792.64/52,151.64 = 20,793.98/x
  3. Step 3: Cross multiply
    37,792.64x = 52,151.64 × 20,793.98
  4. Step 4: Simplify right side
    37,792.64x = 1,084,440,159.13
  5. Step 5: Solve for x
    x = 1,084,440,159.13/37,792.64
  6. Step 6: Final answer
    x = 28,694.48

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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.