Home / 71,568.28-107,366.06-28,877.10

Finding the Fourth Proportional to 71,568.28, 107,366.06 and 28,877.10

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Solution

The fourth proportional to 71,568.28, 107,366.06 and 28,877.10 is: 43,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568.28 : 107,366.06 = 28,877.10 : x
  2. Step 2: Convert to fraction form
    71,568.28/107,366.06 = 28,877.10/x
  3. Step 3: Cross multiply
    71,568.28x = 107,366.06 × 28,877.10
  4. Step 4: Simplify right side
    71,568.28x = 3,100,420,451.23
  5. Step 5: Solve for x
    x = 3,100,420,451.23/71,568.28
  6. Step 6: Final answer
    x = 43,321.15

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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.