Home / 27,257.19-40,891.55-8,787.75

Finding the Fourth Proportional to 27,257.19, 40,891.55 and 8,787.75

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Solution

The fourth proportional to 27,257.19, 40,891.55 and 8,787.75 is: 13,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.19 : 40,891.55 = 8,787.75 : x
  2. Step 2: Convert to fraction form
    27,257.19/40,891.55 = 8,787.75/x
  3. Step 3: Cross multiply
    27,257.19x = 40,891.55 × 8,787.75
  4. Step 4: Simplify right side
    27,257.19x = 359,344,674.57
  5. Step 5: Solve for x
    x = 359,344,674.57/27,257.19
  6. Step 6: Final answer
    x = 13,183.48

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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.