Home / 19,974.92-27,565.38-10,900.31

Finding the Fourth Proportional to 19,974.92, 27,565.38 and 10,900.31

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Solution

The fourth proportional to 19,974.92, 27,565.38 and 10,900.31 is: 15,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.92 : 27,565.38 = 10,900.31 : x
  2. Step 2: Convert to fraction form
    19,974.92/27,565.38 = 10,900.31/x
  3. Step 3: Cross multiply
    19,974.92x = 27,565.38 × 10,900.31
  4. Step 4: Simplify right side
    19,974.92x = 300,471,049.44
  5. Step 5: Solve for x
    x = 300,471,049.44/19,974.92
  6. Step 6: Final answer
    x = 15,042.42

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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.