Home / 26,694.40-40,045.20-9,169.60

Finding the Fourth Proportional to 26,694.40, 40,045.20 and 9,169.60

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Solution

The fourth proportional to 26,694.40, 40,045.20 and 9,169.60 is: 13,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,694.40 : 40,045.20 = 9,169.60 : x
  2. Step 2: Convert to fraction form
    26,694.40/40,045.20 = 9,169.60/x
  3. Step 3: Cross multiply
    26,694.40x = 40,045.20 × 9,169.60
  4. Step 4: Simplify right side
    26,694.40x = 367,198,465.92
  5. Step 5: Solve for x
    x = 367,198,465.92/26,694.40
  6. Step 6: Final answer
    x = 13,755.64

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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.