Home / 26,229.20-39,348.60-10,648.40

Finding the Fourth Proportional to 26,229.20, 39,348.60 and 10,648.40

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Solution

The fourth proportional to 26,229.20, 39,348.60 and 10,648.40 is: 15,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,229.20 : 39,348.60 = 10,648.40 : x
  2. Step 2: Convert to fraction form
    26,229.20/39,348.60 = 10,648.40/x
  3. Step 3: Cross multiply
    26,229.20x = 39,348.60 × 10,648.40
  4. Step 4: Simplify right side
    26,229.20x = 418,999,632.24
  5. Step 5: Solve for x
    x = 418,999,632.24/26,229.20
  6. Step 6: Final answer
    x = 15,974.55

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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.