Home / 27,979.24-38,610.20-16,034.28

Finding the Fourth Proportional to 27,979.24, 38,610.20 and 16,034.28

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Solution

The fourth proportional to 27,979.24, 38,610.20 and 16,034.28 is: 22,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.24 : 38,610.20 = 16,034.28 : x
  2. Step 2: Convert to fraction form
    27,979.24/38,610.20 = 16,034.28/x
  3. Step 3: Cross multiply
    27,979.24x = 38,610.20 × 16,034.28
  4. Step 4: Simplify right side
    27,979.24x = 619,086,757.66
  5. Step 5: Solve for x
    x = 619,086,757.66/27,979.24
  6. Step 6: Final answer
    x = 22,126.65

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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.