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Finding the Fourth Proportional to 60,571.20, 90,882 and 27,268.32

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Solution

The fourth proportional to 60,571.20, 90,882 and 27,268.32 is: 40,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571.20 : 90,882 = 27,268.32 : x
  2. Step 2: Convert to fraction form
    60,571.20/90,882 = 27,268.32/x
  3. Step 3: Cross multiply
    60,571.20x = 90,882 × 27,268.32
  4. Step 4: Simplify right side
    60,571.20x = 2,478,199,458.24
  5. Step 5: Solve for x
    x = 2,478,199,458.24/60,571.20
  6. Step 6: Final answer
    x = 40,913.82

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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.