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Finding the Fourth Proportional to 25,179.12, 37,769.49 and 7,648.88

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Solution

The fourth proportional to 25,179.12, 37,769.49 and 7,648.88 is: 11,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,179.12 : 37,769.49 = 7,648.88 : x
  2. Step 2: Convert to fraction form
    25,179.12/37,769.49 = 7,648.88/x
  3. Step 3: Cross multiply
    25,179.12x = 37,769.49 × 7,648.88
  4. Step 4: Simplify right side
    25,179.12x = 288,894,107.82
  5. Step 5: Solve for x
    x = 288,894,107.82/25,179.12
  6. Step 6: Final answer
    x = 11,473.56

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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.