Home / 28,991.38-43,488.22-9,002.96

Finding the Fourth Proportional to 28,991.38, 43,488.22 and 9,002.96

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Solution

The fourth proportional to 28,991.38, 43,488.22 and 9,002.96 is: 13,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.38 : 43,488.22 = 9,002.96 : x
  2. Step 2: Convert to fraction form
    28,991.38/43,488.22 = 9,002.96/x
  3. Step 3: Cross multiply
    28,991.38x = 43,488.22 × 9,002.96
  4. Step 4: Simplify right side
    28,991.38x = 391,522,705.13
  5. Step 5: Solve for x
    x = 391,522,705.13/28,991.38
  6. Step 6: Final answer
    x = 13,504.80

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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.