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Finding the Fourth Proportional to 52,636.25, 78,966.78 and 17,097.46

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Solution

The fourth proportional to 52,636.25, 78,966.78 and 17,097.46 is: 25,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,636.25 : 78,966.78 = 17,097.46 : x
  2. Step 2: Convert to fraction form
    52,636.25/78,966.78 = 17,097.46/x
  3. Step 3: Cross multiply
    52,636.25x = 78,966.78 × 17,097.46
  4. Step 4: Simplify right side
    52,636.25x = 1,350,131,375.60
  5. Step 5: Solve for x
    x = 1,350,131,375.60/52,636.25
  6. Step 6: Final answer
    x = 25,650.22

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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.