Home / 26,278.70-39,416.94-12,233.90

Finding the Fourth Proportional to 26,278.70, 39,416.94 and 12,233.90

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Solution

The fourth proportional to 26,278.70, 39,416.94 and 12,233.90 is: 18,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.70 : 39,416.94 = 12,233.90 : x
  2. Step 2: Convert to fraction form
    26,278.70/39,416.94 = 12,233.90/x
  3. Step 3: Cross multiply
    26,278.70x = 39,416.94 × 12,233.90
  4. Step 4: Simplify right side
    26,278.70x = 482,222,902.27
  5. Step 5: Solve for x
    x = 482,222,902.27/26,278.70
  6. Step 6: Final answer
    x = 18,350.33

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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.