Home / 26,620.92-39,900.33-20,025.90

Finding the Fourth Proportional to 26,620.92, 39,900.33 and 20,025.90

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Solution

The fourth proportional to 26,620.92, 39,900.33 and 20,025.90 is: 30,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.92 : 39,900.33 = 20,025.90 : x
  2. Step 2: Convert to fraction form
    26,620.92/39,900.33 = 20,025.90/x
  3. Step 3: Cross multiply
    26,620.92x = 39,900.33 × 20,025.90
  4. Step 4: Simplify right side
    26,620.92x = 799,040,018.55
  5. Step 5: Solve for x
    x = 799,040,018.55/26,620.92
  6. Step 6: Final answer
    x = 30,015.49

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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.