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Finding the Fourth Proportional to 40,495, 60,773.82 and 28,102

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Solution

The fourth proportional to 40,495, 60,773.82 and 28,102 is: 42,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495 : 60,773.82 = 28,102 : x
  2. Step 2: Convert to fraction form
    40,495/60,773.82 = 28,102/x
  3. Step 3: Cross multiply
    40,495x = 60,773.82 × 28,102
  4. Step 4: Simplify right side
    40,495x = 1,707,865,889.64
  5. Step 5: Solve for x
    x = 1,707,865,889.64/40,495
  6. Step 6: Final answer
    x = 42,174.73

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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.