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Finding the Fourth Proportional to 25,168.59, 37,770.98 and 9,375.80

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Solution

The fourth proportional to 25,168.59, 37,770.98 and 9,375.80 is: 14,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,168.59 : 37,770.98 = 9,375.80 : x
  2. Step 2: Convert to fraction form
    25,168.59/37,770.98 = 9,375.80/x
  3. Step 3: Cross multiply
    25,168.59x = 37,770.98 × 9,375.80
  4. Step 4: Simplify right side
    25,168.59x = 354,132,918.55
  5. Step 5: Solve for x
    x = 354,132,918.55/25,168.59
  6. Step 6: Final answer
    x = 14,070.43

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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.