Home / 20,767.20-31,155.57-5,976.24

Finding the Fourth Proportional to 20,767.20, 31,155.57 and 5,976.24

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Solution

The fourth proportional to 20,767.20, 31,155.57 and 5,976.24 is: 8,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,767.20 : 31,155.57 = 5,976.24 : x
  2. Step 2: Convert to fraction form
    20,767.20/31,155.57 = 5,976.24/x
  3. Step 3: Cross multiply
    20,767.20x = 31,155.57 × 5,976.24
  4. Step 4: Simplify right side
    20,767.20x = 186,193,163.66
  5. Step 5: Solve for x
    x = 186,193,163.66/20,767.20
  6. Step 6: Final answer
    x = 8,965.73

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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.