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Finding the Fourth Proportional to 15,919.68, 23,882.97 and 4,827.21

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Solution

The fourth proportional to 15,919.68, 23,882.97 and 4,827.21 is: 7,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.68 : 23,882.97 = 4,827.21 : x
  2. Step 2: Convert to fraction form
    15,919.68/23,882.97 = 4,827.21/x
  3. Step 3: Cross multiply
    15,919.68x = 23,882.97 × 4,827.21
  4. Step 4: Simplify right side
    15,919.68x = 115,288,111.61
  5. Step 5: Solve for x
    x = 115,288,111.61/15,919.68
  6. Step 6: Final answer
    x = 7,241.86

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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.