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Finding the Fourth Proportional to 22,712.71, 34,074.74 and 7,921.84

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Solution

The fourth proportional to 22,712.71, 34,074.74 and 7,921.84 is: 11,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.71 : 34,074.74 = 7,921.84 : x
  2. Step 2: Convert to fraction form
    22,712.71/34,074.74 = 7,921.84/x
  3. Step 3: Cross multiply
    22,712.71x = 34,074.74 × 7,921.84
  4. Step 4: Simplify right side
    22,712.71x = 269,934,651.21
  5. Step 5: Solve for x
    x = 269,934,651.21/22,712.71
  6. Step 6: Final answer
    x = 11,884.74

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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.