Home / 20,227.26-30,338.72-7,079.88

Finding the Fourth Proportional to 20,227.26, 30,338.72 and 7,079.88

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Solution

The fourth proportional to 20,227.26, 30,338.72 and 7,079.88 is: 10,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.26 : 30,338.72 = 7,079.88 : x
  2. Step 2: Convert to fraction form
    20,227.26/30,338.72 = 7,079.88/x
  3. Step 3: Cross multiply
    20,227.26x = 30,338.72 × 7,079.88
  4. Step 4: Simplify right side
    20,227.26x = 214,794,496.95
  5. Step 5: Solve for x
    x = 214,794,496.95/20,227.26
  6. Step 6: Final answer
    x = 10,619.06

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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.