Home / 26,649.75-39,974.83-9,119.73

Finding the Fourth Proportional to 26,649.75, 39,974.83 and 9,119.73

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Solution

The fourth proportional to 26,649.75, 39,974.83 and 9,119.73 is: 13,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.75 : 39,974.83 = 9,119.73 : x
  2. Step 2: Convert to fraction form
    26,649.75/39,974.83 = 9,119.73/x
  3. Step 3: Cross multiply
    26,649.75x = 39,974.83 × 9,119.73
  4. Step 4: Simplify right side
    26,649.75x = 364,559,633.60
  5. Step 5: Solve for x
    x = 364,559,633.60/26,649.75
  6. Step 6: Final answer
    x = 13,679.66

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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.