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Finding the Fourth Proportional to 30,914.28, 46,374.20 and 8,727.88

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Solution

The fourth proportional to 30,914.28, 46,374.20 and 8,727.88 is: 13,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.28 : 46,374.20 = 8,727.88 : x
  2. Step 2: Convert to fraction form
    30,914.28/46,374.20 = 8,727.88/x
  3. Step 3: Cross multiply
    30,914.28x = 46,374.20 × 8,727.88
  4. Step 4: Simplify right side
    30,914.28x = 404,748,452.70
  5. Step 5: Solve for x
    x = 404,748,452.70/30,914.28
  6. Step 6: Final answer
    x = 13,092.60

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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.