Home / 27,826.62-38,400.82-15,251.38

Finding the Fourth Proportional to 27,826.62, 38,400.82 and 15,251.38

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Solution

The fourth proportional to 27,826.62, 38,400.82 and 15,251.38 is: 21,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.62 : 38,400.82 = 15,251.38 : x
  2. Step 2: Convert to fraction form
    27,826.62/38,400.82 = 15,251.38/x
  3. Step 3: Cross multiply
    27,826.62x = 38,400.82 × 15,251.38
  4. Step 4: Simplify right side
    27,826.62x = 585,665,498.13
  5. Step 5: Solve for x
    x = 585,665,498.13/27,826.62
  6. Step 6: Final answer
    x = 21,046.95

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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.