Home / 20,323.44-28,050.84-12,366

Finding the Fourth Proportional to 20,323.44, 28,050.84 and 12,366

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Solution

The fourth proportional to 20,323.44, 28,050.84 and 12,366 is: 17,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.44 : 28,050.84 = 12,366 : x
  2. Step 2: Convert to fraction form
    20,323.44/28,050.84 = 12,366/x
  3. Step 3: Cross multiply
    20,323.44x = 28,050.84 × 12,366
  4. Step 4: Simplify right side
    20,323.44x = 346,876,687.44
  5. Step 5: Solve for x
    x = 346,876,687.44/20,323.44
  6. Step 6: Final answer
    x = 17,067.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.