Home / 28,943.76-43,419.15-8,167.26

Finding the Fourth Proportional to 28,943.76, 43,419.15 and 8,167.26

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Solution

The fourth proportional to 28,943.76, 43,419.15 and 8,167.26 is: 12,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.76 : 43,419.15 = 8,167.26 : x
  2. Step 2: Convert to fraction form
    28,943.76/43,419.15 = 8,167.26/x
  3. Step 3: Cross multiply
    28,943.76x = 43,419.15 × 8,167.26
  4. Step 4: Simplify right side
    28,943.76x = 354,615,487.03
  5. Step 5: Solve for x
    x = 354,615,487.03/28,943.76
  6. Step 6: Final answer
    x = 12,251.88

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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.