Home / 28,991.25-43,494.17-8,214.75

Finding the Fourth Proportional to 28,991.25, 43,494.17 and 8,214.75

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Solution

The fourth proportional to 28,991.25, 43,494.17 and 8,214.75 is: 12,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.25 : 43,494.17 = 8,214.75 : x
  2. Step 2: Convert to fraction form
    28,991.25/43,494.17 = 8,214.75/x
  3. Step 3: Cross multiply
    28,991.25x = 43,494.17 × 8,214.75
  4. Step 4: Simplify right side
    28,991.25x = 357,293,691.93
  5. Step 5: Solve for x
    x = 357,293,691.93/28,991.25
  6. Step 6: Final answer
    x = 12,324.19

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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.