Home / 28,871.25-43,308.14-9,151.26

Finding the Fourth Proportional to 28,871.25, 43,308.14 and 9,151.26

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Solution

The fourth proportional to 28,871.25, 43,308.14 and 9,151.26 is: 13,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.25 : 43,308.14 = 9,151.26 : x
  2. Step 2: Convert to fraction form
    28,871.25/43,308.14 = 9,151.26/x
  3. Step 3: Cross multiply
    28,871.25x = 43,308.14 × 9,151.26
  4. Step 4: Simplify right side
    28,871.25x = 396,324,049.26
  5. Step 5: Solve for x
    x = 396,324,049.26/28,871.25
  6. Step 6: Final answer
    x = 13,727.29

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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.