Home / 26,839.75-40,261.08-8,119.33

Finding the Fourth Proportional to 26,839.75, 40,261.08 and 8,119.33

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Solution

The fourth proportional to 26,839.75, 40,261.08 and 8,119.33 is: 12,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,839.75 : 40,261.08 = 8,119.33 : x
  2. Step 2: Convert to fraction form
    26,839.75/40,261.08 = 8,119.33/x
  3. Step 3: Cross multiply
    26,839.75x = 40,261.08 × 8,119.33
  4. Step 4: Simplify right side
    26,839.75x = 326,892,793.37
  5. Step 5: Solve for x
    x = 326,892,793.37/26,839.75
  6. Step 6: Final answer
    x = 12,179.43

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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.