Home / 26,620.60-39,882.90-15,518.20

Finding the Fourth Proportional to 26,620.60, 39,882.90 and 15,518.20

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Solution

The fourth proportional to 26,620.60, 39,882.90 and 15,518.20 is: 23,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.60 : 39,882.90 = 15,518.20 : x
  2. Step 2: Convert to fraction form
    26,620.60/39,882.90 = 15,518.20/x
  3. Step 3: Cross multiply
    26,620.60x = 39,882.90 × 15,518.20
  4. Step 4: Simplify right side
    26,620.60x = 618,910,818.78
  5. Step 5: Solve for x
    x = 618,910,818.78/26,620.60
  6. Step 6: Final answer
    x = 23,249.32

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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.