Home / 72,285.42-108,344.97-27,892.56

Finding the Fourth Proportional to 72,285.42, 108,344.97 and 27,892.56

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Solution

The fourth proportional to 72,285.42, 108,344.97 and 27,892.56 is: 41,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,285.42 : 108,344.97 = 27,892.56 : x
  2. Step 2: Convert to fraction form
    72,285.42/108,344.97 = 27,892.56/x
  3. Step 3: Cross multiply
    72,285.42x = 108,344.97 × 27,892.56
  4. Step 4: Simplify right side
    72,285.42x = 3,022,018,576.42
  5. Step 5: Solve for x
    x = 3,022,018,576.42/72,285.42
  6. Step 6: Final answer
    x = 41,806.75

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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.