Home / 26,531.92-39,806.52-12,682

Finding the Fourth Proportional to 26,531.92, 39,806.52 and 12,682

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Solution

The fourth proportional to 26,531.92, 39,806.52 and 12,682 is: 19,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.92 : 39,806.52 = 12,682 : x
  2. Step 2: Convert to fraction form
    26,531.92/39,806.52 = 12,682/x
  3. Step 3: Cross multiply
    26,531.92x = 39,806.52 × 12,682
  4. Step 4: Simplify right side
    26,531.92x = 504,826,286.64
  5. Step 5: Solve for x
    x = 504,826,286.64/26,531.92
  6. Step 6: Final answer
    x = 19,027.13

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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.