Home / 65,378.28-98,108.86-27,938.61

Finding the Fourth Proportional to 65,378.28, 98,108.86 and 27,938.61

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Solution

The fourth proportional to 65,378.28, 98,108.86 and 27,938.61 is: 41,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,378.28 : 98,108.86 = 27,938.61 : x
  2. Step 2: Convert to fraction form
    65,378.28/98,108.86 = 27,938.61/x
  3. Step 3: Cross multiply
    65,378.28x = 98,108.86 × 27,938.61
  4. Step 4: Simplify right side
    65,378.28x = 2,741,025,177.08
  5. Step 5: Solve for x
    x = 2,741,025,177.08/65,378.28
  6. Step 6: Final answer
    x = 41,925.62

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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.