Home / 19,292.86-28,942.92-13,067.20

Finding the Fourth Proportional to 19,292.86, 28,942.92 and 13,067.20

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Solution

The fourth proportional to 19,292.86, 28,942.92 and 13,067.20 is: 19,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.86 : 28,942.92 = 13,067.20 : x
  2. Step 2: Convert to fraction form
    19,292.86/28,942.92 = 13,067.20/x
  3. Step 3: Cross multiply
    19,292.86x = 28,942.92 × 13,067.20
  4. Step 4: Simplify right side
    19,292.86x = 378,202,924.22
  5. Step 5: Solve for x
    x = 378,202,924.22/19,292.86
  6. Step 6: Final answer
    x = 19,603.26

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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.