Home / 26,932.57-40,404.66-8,212.09

Finding the Fourth Proportional to 26,932.57, 40,404.66 and 8,212.09

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Solution

The fourth proportional to 26,932.57, 40,404.66 and 8,212.09 is: 12,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.57 : 40,404.66 = 8,212.09 : x
  2. Step 2: Convert to fraction form
    26,932.57/40,404.66 = 8,212.09/x
  3. Step 3: Cross multiply
    26,932.57x = 40,404.66 × 8,212.09
  4. Step 4: Simplify right side
    26,932.57x = 331,806,704.34
  5. Step 5: Solve for x
    x = 331,806,704.34/26,932.57
  6. Step 6: Final answer
    x = 12,319.91

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1.5x scale

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.