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Finding the Fourth Proportional to 25,251.84, 34,847.79 and 13,921.79

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Solution

The fourth proportional to 25,251.84, 34,847.79 and 13,921.79 is: 19,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.84 : 34,847.79 = 13,921.79 : x
  2. Step 2: Convert to fraction form
    25,251.84/34,847.79 = 13,921.79/x
  3. Step 3: Cross multiply
    25,251.84x = 34,847.79 × 13,921.79
  4. Step 4: Simplify right side
    25,251.84x = 485,143,370.50
  5. Step 5: Solve for x
    x = 485,143,370.50/25,251.84
  6. Step 6: Final answer
    x = 19,212.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.