Home / 26,910.92-40,367.84-8,191.55

Finding the Fourth Proportional to 26,910.92, 40,367.84 and 8,191.55

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Solution

The fourth proportional to 26,910.92, 40,367.84 and 8,191.55 is: 12,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.92 : 40,367.84 = 8,191.55 : x
  2. Step 2: Convert to fraction form
    26,910.92/40,367.84 = 8,191.55/x
  3. Step 3: Cross multiply
    26,910.92x = 40,367.84 × 8,191.55
  4. Step 4: Simplify right side
    26,910.92x = 330,675,239.71
  5. Step 5: Solve for x
    x = 330,675,239.71/26,910.92
  6. Step 6: Final answer
    x = 12,287.77

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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.