Home / 27,115.92-37,388.09-21,734.04

Finding the Fourth Proportional to 27,115.92, 37,388.09 and 21,734.04

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Solution

The fourth proportional to 27,115.92, 37,388.09 and 21,734.04 is: 29,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.92 : 37,388.09 = 21,734.04 : x
  2. Step 2: Convert to fraction form
    27,115.92/37,388.09 = 21,734.04/x
  3. Step 3: Cross multiply
    27,115.92x = 37,388.09 × 21,734.04
  4. Step 4: Simplify right side
    27,115.92x = 812,594,134.91
  5. Step 5: Solve for x
    x = 812,594,134.91/27,115.92
  6. Step 6: Final answer
    x = 29,967.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.