Home / 28,891.20-43,344.96-8,114.88

Finding the Fourth Proportional to 28,891.20, 43,344.96 and 8,114.88

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Solution

The fourth proportional to 28,891.20, 43,344.96 and 8,114.88 is: 12,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.20 : 43,344.96 = 8,114.88 : x
  2. Step 2: Convert to fraction form
    28,891.20/43,344.96 = 8,114.88/x
  3. Step 3: Cross multiply
    28,891.20x = 43,344.96 × 8,114.88
  4. Step 4: Simplify right side
    28,891.20x = 351,739,149.00
  5. Step 5: Solve for x
    x = 351,739,149.00/28,891.20
  6. Step 6: Final answer
    x = 12,174.61

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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.