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Finding the Fourth Proportional to 65,377.26, 98,065.71 and 17,988.84

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Solution

The fourth proportional to 65,377.26, 98,065.71 and 17,988.84 is: 26,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.26 : 98,065.71 = 17,988.84 : x
  2. Step 2: Convert to fraction form
    65,377.26/98,065.71 = 17,988.84/x
  3. Step 3: Cross multiply
    65,377.26x = 98,065.71 × 17,988.84
  4. Step 4: Simplify right side
    65,377.26x = 1,764,088,366.68
  5. Step 5: Solve for x
    x = 1,764,088,366.68/65,377.26
  6. Step 6: Final answer
    x = 26,983.21

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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.