Home / 17,380.80-26,079.28-10,360.64

Finding the Fourth Proportional to 17,380.80, 26,079.28 and 10,360.64

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Solution

The fourth proportional to 17,380.80, 26,079.28 and 10,360.64 is: 15,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.80 : 26,079.28 = 10,360.64 : x
  2. Step 2: Convert to fraction form
    17,380.80/26,079.28 = 10,360.64/x
  3. Step 3: Cross multiply
    17,380.80x = 26,079.28 × 10,360.64
  4. Step 4: Simplify right side
    17,380.80x = 270,198,031.54
  5. Step 5: Solve for x
    x = 270,198,031.54/17,380.80
  6. Step 6: Final answer
    x = 15,545.78

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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.