Home / 27,687.49-41,531.90-9,919.38

Finding the Fourth Proportional to 27,687.49, 41,531.90 and 9,919.38

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Solution

The fourth proportional to 27,687.49, 41,531.90 and 9,919.38 is: 14,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.49 : 41,531.90 = 9,919.38 : x
  2. Step 2: Convert to fraction form
    27,687.49/41,531.90 = 9,919.38/x
  3. Step 3: Cross multiply
    27,687.49x = 41,531.90 × 9,919.38
  4. Step 4: Simplify right side
    27,687.49x = 411,970,698.22
  5. Step 5: Solve for x
    x = 411,970,698.22/27,687.49
  6. Step 6: Final answer
    x = 14,879.31

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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.