Home / 27,795.97-38,358.45-15,049.15

Finding the Fourth Proportional to 27,795.97, 38,358.45 and 15,049.15

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Solution

The fourth proportional to 27,795.97, 38,358.45 and 15,049.15 is: 20,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.97 : 38,358.45 = 15,049.15 : x
  2. Step 2: Convert to fraction form
    27,795.97/38,358.45 = 15,049.15/x
  3. Step 3: Cross multiply
    27,795.97x = 38,358.45 × 15,049.15
  4. Step 4: Simplify right side
    27,795.97x = 577,262,067.82
  5. Step 5: Solve for x
    x = 577,262,067.82/27,795.97
  6. Step 6: Final answer
    x = 20,767.83

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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.