Home / 17,517.12-26,226.88-13,629.12

Finding the Fourth Proportional to 17,517.12, 26,226.88 and 13,629.12

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Solution

The fourth proportional to 17,517.12, 26,226.88 and 13,629.12 is: 20,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,517.12 : 26,226.88 = 13,629.12 : x
  2. Step 2: Convert to fraction form
    17,517.12/26,226.88 = 13,629.12/x
  3. Step 3: Cross multiply
    17,517.12x = 26,226.88 × 13,629.12
  4. Step 4: Simplify right side
    17,517.12x = 357,449,294.75
  5. Step 5: Solve for x
    x = 357,449,294.75/17,517.12
  6. Step 6: Final answer
    x = 20,405.71

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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.