Home / 26,480.15-39,720.18-6,758.70

Finding the Fourth Proportional to 26,480.15, 39,720.18 and 6,758.70

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Solution

The fourth proportional to 26,480.15, 39,720.18 and 6,758.70 is: 10,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.15 : 39,720.18 = 6,758.70 : x
  2. Step 2: Convert to fraction form
    26,480.15/39,720.18 = 6,758.70/x
  3. Step 3: Cross multiply
    26,480.15x = 39,720.18 × 6,758.70
  4. Step 4: Simplify right side
    26,480.15x = 268,456,780.57
  5. Step 5: Solve for x
    x = 268,456,780.57/26,480.15
  6. Step 6: Final answer
    x = 10,138.04

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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.