Home / 26,529.58-39,757.83-13,390.66

Finding the Fourth Proportional to 26,529.58, 39,757.83 and 13,390.66

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Solution

The fourth proportional to 26,529.58, 39,757.83 and 13,390.66 is: 20,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.58 : 39,757.83 = 13,390.66 : x
  2. Step 2: Convert to fraction form
    26,529.58/39,757.83 = 13,390.66/x
  3. Step 3: Cross multiply
    26,529.58x = 39,757.83 × 13,390.66
  4. Step 4: Simplify right side
    26,529.58x = 532,383,583.87
  5. Step 5: Solve for x
    x = 532,383,583.87/26,529.58
  6. Step 6: Final answer
    x = 20,067.55

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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.