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Finding the Fourth Proportional to 63,696.22, 95,546.46 and 28,636

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Solution

The fourth proportional to 63,696.22, 95,546.46 and 28,636 is: 42,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.22 : 95,546.46 = 28,636 : x
  2. Step 2: Convert to fraction form
    63,696.22/95,546.46 = 28,636/x
  3. Step 3: Cross multiply
    63,696.22x = 95,546.46 × 28,636
  4. Step 4: Simplify right side
    63,696.22x = 2,736,068,428.56
  5. Step 5: Solve for x
    x = 2,736,068,428.56/63,696.22
  6. Step 6: Final answer
    x = 42,954.96

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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.