Home / 27,631.72-38,132.50-15,057.24

Finding the Fourth Proportional to 27,631.72, 38,132.50 and 15,057.24

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Solution

The fourth proportional to 27,631.72, 38,132.50 and 15,057.24 is: 20,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.72 : 38,132.50 = 15,057.24 : x
  2. Step 2: Convert to fraction form
    27,631.72/38,132.50 = 15,057.24/x
  3. Step 3: Cross multiply
    27,631.72x = 38,132.50 × 15,057.24
  4. Step 4: Simplify right side
    27,631.72x = 574,170,204.30
  5. Step 5: Solve for x
    x = 574,170,204.30/27,631.72
  6. Step 6: Final answer
    x = 20,779.39

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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.