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Finding the Fourth Proportional to 27,280.41, 40,921.38 and 7,560.42

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Solution

The fourth proportional to 27,280.41, 40,921.38 and 7,560.42 is: 11,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.41 : 40,921.38 = 7,560.42 : x
  2. Step 2: Convert to fraction form
    27,280.41/40,921.38 = 7,560.42/x
  3. Step 3: Cross multiply
    27,280.41x = 40,921.38 × 7,560.42
  4. Step 4: Simplify right side
    27,280.41x = 309,382,819.78
  5. Step 5: Solve for x
    x = 309,382,819.78/27,280.41
  6. Step 6: Final answer
    x = 11,340.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.