Home / 27,369.18-40,951.25-19,489.90

Finding the Fourth Proportional to 27,369.18, 40,951.25 and 19,489.90

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Solution

The fourth proportional to 27,369.18, 40,951.25 and 19,489.90 is: 29,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.18 : 40,951.25 = 19,489.90 : x
  2. Step 2: Convert to fraction form
    27,369.18/40,951.25 = 19,489.90/x
  3. Step 3: Cross multiply
    27,369.18x = 40,951.25 × 19,489.90
  4. Step 4: Simplify right side
    27,369.18x = 798,135,767.38
  5. Step 5: Solve for x
    x = 798,135,767.38/27,369.18
  6. Step 6: Final answer
    x = 29,161.84

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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.