Home / 26,480.63-39,720.69-6,758.91

Finding the Fourth Proportional to 26,480.63, 39,720.69 and 6,758.91

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Solution

The fourth proportional to 26,480.63, 39,720.69 and 6,758.91 is: 10,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.63 : 39,720.69 = 6,758.91 : x
  2. Step 2: Convert to fraction form
    26,480.63/39,720.69 = 6,758.91/x
  3. Step 3: Cross multiply
    26,480.63x = 39,720.69 × 6,758.91
  4. Step 4: Simplify right side
    26,480.63x = 268,468,568.85
  5. Step 5: Solve for x
    x = 268,468,568.85/26,480.63
  6. Step 6: Final answer
    x = 10,138.30

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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.