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Finding the Fourth Proportional to 65,672.64, 98,557.02 and 26,241.30

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Solution

The fourth proportional to 65,672.64, 98,557.02 and 26,241.30 is: 39,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,672.64 : 98,557.02 = 26,241.30 : x
  2. Step 2: Convert to fraction form
    65,672.64/98,557.02 = 26,241.30/x
  3. Step 3: Cross multiply
    65,672.64x = 98,557.02 × 26,241.30
  4. Step 4: Simplify right side
    65,672.64x = 2,586,264,328.93
  5. Step 5: Solve for x
    x = 2,586,264,328.93/65,672.64
  6. Step 6: Final answer
    x = 39,381.15

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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.