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Finding the Fourth Proportional to 65,801.28, 98,701 and 15,880.96

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Solution

The fourth proportional to 65,801.28, 98,701 and 15,880.96 is: 23,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801.28 : 98,701 = 15,880.96 : x
  2. Step 2: Convert to fraction form
    65,801.28/98,701 = 15,880.96/x
  3. Step 3: Cross multiply
    65,801.28x = 98,701 × 15,880.96
  4. Step 4: Simplify right side
    65,801.28x = 1,567,466,632.96
  5. Step 5: Solve for x
    x = 1,567,466,632.96/65,801.28
  6. Step 6: Final answer
    x = 23,821.22

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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.