Home / 26,799.08-40,205.28-8,078.70

Finding the Fourth Proportional to 26,799.08, 40,205.28 and 8,078.70

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Solution

The fourth proportional to 26,799.08, 40,205.28 and 8,078.70 is: 12,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,799.08 : 40,205.28 = 8,078.70 : x
  2. Step 2: Convert to fraction form
    26,799.08/40,205.28 = 8,078.70/x
  3. Step 3: Cross multiply
    26,799.08x = 40,205.28 × 8,078.70
  4. Step 4: Simplify right side
    26,799.08x = 324,806,395.54
  5. Step 5: Solve for x
    x = 324,806,395.54/26,799.08
  6. Step 6: Final answer
    x = 12,120.06

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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.