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Finding the Fourth Proportional to 25,337.60, 37,929.60 and 22,572.80

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Solution

The fourth proportional to 25,337.60, 37,929.60 and 22,572.80 is: 33,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.60 : 37,929.60 = 22,572.80 : x
  2. Step 2: Convert to fraction form
    25,337.60/37,929.60 = 22,572.80/x
  3. Step 3: Cross multiply
    25,337.60x = 37,929.60 × 22,572.80
  4. Step 4: Simplify right side
    25,337.60x = 856,177,274.88
  5. Step 5: Solve for x
    x = 856,177,274.88/25,337.60
  6. Step 6: Final answer
    x = 33,790.78

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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.