Home / 26,600.13-39,900.20-6,880.68

Finding the Fourth Proportional to 26,600.13, 39,900.20 and 6,880.68

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Solution

The fourth proportional to 26,600.13, 39,900.20 and 6,880.68 is: 10,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.13 : 39,900.20 = 6,880.68 : x
  2. Step 2: Convert to fraction form
    26,600.13/39,900.20 = 6,880.68/x
  3. Step 3: Cross multiply
    26,600.13x = 39,900.20 × 6,880.68
  4. Step 4: Simplify right side
    26,600.13x = 274,540,473.73
  5. Step 5: Solve for x
    x = 274,540,473.73/26,600.13
  6. Step 6: Final answer
    x = 10,321.02

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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.