Home / 28,891.35-43,338.24-9,167.85

Finding the Fourth Proportional to 28,891.35, 43,338.24 and 9,167.85

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Solution

The fourth proportional to 28,891.35, 43,338.24 and 9,167.85 is: 13,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.35 : 43,338.24 = 9,167.85 : x
  2. Step 2: Convert to fraction form
    28,891.35/43,338.24 = 9,167.85/x
  3. Step 3: Cross multiply
    28,891.35x = 43,338.24 × 9,167.85
  4. Step 4: Simplify right side
    28,891.35x = 397,318,483.58
  5. Step 5: Solve for x
    x = 397,318,483.58/28,891.35
  6. Step 6: Final answer
    x = 13,752.16

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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.