Home / 26,896.80-40,340.34-11,910.66

Finding the Fourth Proportional to 26,896.80, 40,340.34 and 11,910.66

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Solution

The fourth proportional to 26,896.80, 40,340.34 and 11,910.66 is: 17,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,896.80 : 40,340.34 = 11,910.66 : x
  2. Step 2: Convert to fraction form
    26,896.80/40,340.34 = 11,910.66/x
  3. Step 3: Cross multiply
    26,896.80x = 40,340.34 × 11,910.66
  4. Step 4: Simplify right side
    26,896.80x = 480,480,074.02
  5. Step 5: Solve for x
    x = 480,480,074.02/26,896.80
  6. Step 6: Final answer
    x = 17,863.84

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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.