Home / 26,867.66-40,255.20-18,517.86

Finding the Fourth Proportional to 26,867.66, 40,255.20 and 18,517.86

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Solution

The fourth proportional to 26,867.66, 40,255.20 and 18,517.86 is: 27,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.66 : 40,255.20 = 18,517.86 : x
  2. Step 2: Convert to fraction form
    26,867.66/40,255.20 = 18,517.86/x
  3. Step 3: Cross multiply
    26,867.66x = 40,255.20 × 18,517.86
  4. Step 4: Simplify right side
    26,867.66x = 745,440,157.87
  5. Step 5: Solve for x
    x = 745,440,157.87/26,867.66
  6. Step 6: Final answer
    x = 27,744.89

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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.