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Finding the Fourth Proportional to 63,604.57, 95,318.57 and 28,012.51

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Solution

The fourth proportional to 63,604.57, 95,318.57 and 28,012.51 is: 41,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,604.57 : 95,318.57 = 28,012.51 : x
  2. Step 2: Convert to fraction form
    63,604.57/95,318.57 = 28,012.51/x
  3. Step 3: Cross multiply
    63,604.57x = 95,318.57 × 28,012.51
  4. Step 4: Simplify right side
    63,604.57x = 2,670,112,316.41
  5. Step 5: Solve for x
    x = 2,670,112,316.41/63,604.57
  6. Step 6: Final answer
    x = 41,979.88

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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.