Home / 20,731.92-31,067.16-17,060.24

Finding the Fourth Proportional to 20,731.92, 31,067.16 and 17,060.24

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Solution

The fourth proportional to 20,731.92, 31,067.16 and 17,060.24 is: 25,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731.92 : 31,067.16 = 17,060.24 : x
  2. Step 2: Convert to fraction form
    20,731.92/31,067.16 = 17,060.24/x
  3. Step 3: Cross multiply
    20,731.92x = 31,067.16 × 17,060.24
  4. Step 4: Simplify right side
    20,731.92x = 530,013,205.72
  5. Step 5: Solve for x
    x = 530,013,205.72/20,731.92
  6. Step 6: Final answer
    x = 25,565.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.