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Finding the Fourth Proportional to 25,000.60, 37,505.10 and 7,472.20

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Solution

The fourth proportional to 25,000.60, 37,505.10 and 7,472.20 is: 11,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.60 : 37,505.10 = 7,472.20 : x
  2. Step 2: Convert to fraction form
    25,000.60/37,505.10 = 7,472.20/x
  3. Step 3: Cross multiply
    25,000.60x = 37,505.10 × 7,472.20
  4. Step 4: Simplify right side
    25,000.60x = 280,245,608.22
  5. Step 5: Solve for x
    x = 280,245,608.22/25,000.60
  6. Step 6: Final answer
    x = 11,209.56

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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.