Home / 26,380.20-39,580.74-11,578.80

Finding the Fourth Proportional to 26,380.20, 39,580.74 and 11,578.80

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Solution

The fourth proportional to 26,380.20, 39,580.74 and 11,578.80 is: 17,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,380.20 : 39,580.74 = 11,578.80 : x
  2. Step 2: Convert to fraction form
    26,380.20/39,580.74 = 11,578.80/x
  3. Step 3: Cross multiply
    26,380.20x = 39,580.74 × 11,578.80
  4. Step 4: Simplify right side
    26,380.20x = 458,297,472.31
  5. Step 5: Solve for x
    x = 458,297,472.31/26,380.20
  6. Step 6: Final answer
    x = 17,372.78

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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.