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Finding the Fourth Proportional to 32,545.68, 48,846.60 and 15,918

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Solution

The fourth proportional to 32,545.68, 48,846.60 and 15,918 is: 23,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,545.68 : 48,846.60 = 15,918 : x
  2. Step 2: Convert to fraction form
    32,545.68/48,846.60 = 15,918/x
  3. Step 3: Cross multiply
    32,545.68x = 48,846.60 × 15,918
  4. Step 4: Simplify right side
    32,545.68x = 777,540,178.80
  5. Step 5: Solve for x
    x = 777,540,178.80/32,545.68
  6. Step 6: Final answer
    x = 23,890.73

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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.