Home / 17,708.20-26,504.70-13,791.40

Finding the Fourth Proportional to 17,708.20, 26,504.70 and 13,791.40

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Solution

The fourth proportional to 17,708.20, 26,504.70 and 13,791.40 is: 20,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.20 : 26,504.70 = 13,791.40 : x
  2. Step 2: Convert to fraction form
    17,708.20/26,504.70 = 13,791.40/x
  3. Step 3: Cross multiply
    17,708.20x = 26,504.70 × 13,791.40
  4. Step 4: Simplify right side
    17,708.20x = 365,536,919.58
  5. Step 5: Solve for x
    x = 365,536,919.58/17,708.20
  6. Step 6: Final answer
    x = 20,642.24

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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.