Home / 26,480.30-39,720.41-6,758.85

Finding the Fourth Proportional to 26,480.30, 39,720.41 and 6,758.85

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Solution

The fourth proportional to 26,480.30, 39,720.41 and 6,758.85 is: 10,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.30 : 39,720.41 = 6,758.85 : x
  2. Step 2: Convert to fraction form
    26,480.30/39,720.41 = 6,758.85/x
  3. Step 3: Cross multiply
    26,480.30x = 39,720.41 × 6,758.85
  4. Step 4: Simplify right side
    26,480.30x = 268,464,259.33
  5. Step 5: Solve for x
    x = 268,464,259.33/26,480.30
  6. Step 6: Final answer
    x = 10,138.27

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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.