Home / 27,680.52-38,198.97-15,105.27

Finding the Fourth Proportional to 27,680.52, 38,198.97 and 15,105.27

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Solution

The fourth proportional to 27,680.52, 38,198.97 and 15,105.27 is: 20,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.52 : 38,198.97 = 15,105.27 : x
  2. Step 2: Convert to fraction form
    27,680.52/38,198.97 = 15,105.27/x
  3. Step 3: Cross multiply
    27,680.52x = 38,198.97 × 15,105.27
  4. Step 4: Simplify right side
    27,680.52x = 577,005,755.57
  5. Step 5: Solve for x
    x = 577,005,755.57/27,680.52
  6. Step 6: Final answer
    x = 20,845.19

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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.