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Finding the Fourth Proportional to 43,545.96, 65,348.01 and 15,843.96

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Solution

The fourth proportional to 43,545.96, 65,348.01 and 15,843.96 is: 23,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,545.96 : 65,348.01 = 15,843.96 : x
  2. Step 2: Convert to fraction form
    43,545.96/65,348.01 = 15,843.96/x
  3. Step 3: Cross multiply
    43,545.96x = 65,348.01 × 15,843.96
  4. Step 4: Simplify right side
    43,545.96x = 1,035,371,256.52
  5. Step 5: Solve for x
    x = 1,035,371,256.52/43,545.96
  6. Step 6: Final answer
    x = 23,776.52

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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.