Home / 71,538.45-107,308.28-27,153.28

Finding the Fourth Proportional to 71,538.45, 107,308.28 and 27,153.28

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Solution

The fourth proportional to 71,538.45, 107,308.28 and 27,153.28 is: 40,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,538.45 : 107,308.28 = 27,153.28 : x
  2. Step 2: Convert to fraction form
    71,538.45/107,308.28 = 27,153.28/x
  3. Step 3: Cross multiply
    71,538.45x = 107,308.28 × 27,153.28
  4. Step 4: Simplify right side
    71,538.45x = 2,913,771,773.16
  5. Step 5: Solve for x
    x = 2,913,771,773.16/71,538.45
  6. Step 6: Final answer
    x = 40,730.15

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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.