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Finding the Fourth Proportional to 40,204, 60,374.04 and 26,187.76

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Solution

The fourth proportional to 40,204, 60,374.04 and 26,187.76 is: 39,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204 : 60,374.04 = 26,187.76 : x
  2. Step 2: Convert to fraction form
    40,204/60,374.04 = 26,187.76/x
  3. Step 3: Cross multiply
    40,204x = 60,374.04 × 26,187.76
  4. Step 4: Simplify right side
    40,204x = 1,581,060,869.75
  5. Step 5: Solve for x
    x = 1,581,060,869.75/40,204
  6. Step 6: Final answer
    x = 39,325.96

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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.