Home / 26,512.80-39,768.30-6,791.55

Finding the Fourth Proportional to 26,512.80, 39,768.30 and 6,791.55

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Solution

The fourth proportional to 26,512.80, 39,768.30 and 6,791.55 is: 10,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.80 : 39,768.30 = 6,791.55 : x
  2. Step 2: Convert to fraction form
    26,512.80/39,768.30 = 6,791.55/x
  3. Step 3: Cross multiply
    26,512.80x = 39,768.30 × 6,791.55
  4. Step 4: Simplify right side
    26,512.80x = 270,088,397.87
  5. Step 5: Solve for x
    x = 270,088,397.87/26,512.80
  6. Step 6: Final answer
    x = 10,187.09

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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.