Home / 28,869.25-43,305.14-9,149.26

Finding the Fourth Proportional to 28,869.25, 43,305.14 and 9,149.26

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Solution

The fourth proportional to 28,869.25, 43,305.14 and 9,149.26 is: 13,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.25 : 43,305.14 = 9,149.26 : x
  2. Step 2: Convert to fraction form
    28,869.25/43,305.14 = 9,149.26/x
  3. Step 3: Cross multiply
    28,869.25x = 43,305.14 × 9,149.26
  4. Step 4: Simplify right side
    28,869.25x = 396,209,985.20
  5. Step 5: Solve for x
    x = 396,209,985.20/28,869.25
  6. Step 6: Final answer
    x = 13,724.29

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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.