Home / 17,760.80-26,645.36-5,280.92

Finding the Fourth Proportional to 17,760.80, 26,645.36 and 5,280.92

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Solution

The fourth proportional to 17,760.80, 26,645.36 and 5,280.92 is: 7,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.80 : 26,645.36 = 5,280.92 : x
  2. Step 2: Convert to fraction form
    17,760.80/26,645.36 = 5,280.92/x
  3. Step 3: Cross multiply
    17,760.80x = 26,645.36 × 5,280.92
  4. Step 4: Simplify right side
    17,760.80x = 140,711,854.90
  5. Step 5: Solve for x
    x = 140,711,854.90/17,760.80
  6. Step 6: Final answer
    x = 7,922.61

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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.