Home / 27,342.73-40,982.10-12,553.08

Finding the Fourth Proportional to 27,342.73, 40,982.10 and 12,553.08

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Solution

The fourth proportional to 27,342.73, 40,982.10 and 12,553.08 is: 18,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.73 : 40,982.10 = 12,553.08 : x
  2. Step 2: Convert to fraction form
    27,342.73/40,982.10 = 12,553.08/x
  3. Step 3: Cross multiply
    27,342.73x = 40,982.10 × 12,553.08
  4. Step 4: Simplify right side
    27,342.73x = 514,451,374.96
  5. Step 5: Solve for x
    x = 514,451,374.96/27,342.73
  6. Step 6: Final answer
    x = 18,814.92

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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.