Home / 28,891.68-43,337.52-8,115.36

Finding the Fourth Proportional to 28,891.68, 43,337.52 and 8,115.36

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Solution

The fourth proportional to 28,891.68, 43,337.52 and 8,115.36 is: 12,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.68 : 43,337.52 = 8,115.36 : x
  2. Step 2: Convert to fraction form
    28,891.68/43,337.52 = 8,115.36/x
  3. Step 3: Cross multiply
    28,891.68x = 43,337.52 × 8,115.36
  4. Step 4: Simplify right side
    28,891.68x = 351,699,576.31
  5. Step 5: Solve for x
    x = 351,699,576.31/28,891.68
  6. Step 6: Final answer
    x = 12,173.04

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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.