Home / 27,179.20-37,508.90-15,243.20

Finding the Fourth Proportional to 27,179.20, 37,508.90 and 15,243.20

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Solution

The fourth proportional to 27,179.20, 37,508.90 and 15,243.20 is: 21,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.20 : 37,508.90 = 15,243.20 : x
  2. Step 2: Convert to fraction form
    27,179.20/37,508.90 = 15,243.20/x
  3. Step 3: Cross multiply
    27,179.20x = 37,508.90 × 15,243.20
  4. Step 4: Simplify right side
    27,179.20x = 571,755,664.48
  5. Step 5: Solve for x
    x = 571,755,664.48/27,179.20
  6. Step 6: Final answer
    x = 21,036.52

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1.5x scale

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.