Home / 21,629.14-29,841.22-12,067.48

Finding the Fourth Proportional to 21,629.14, 29,841.22 and 12,067.48

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Solution

The fourth proportional to 21,629.14, 29,841.22 and 12,067.48 is: 16,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.14 : 29,841.22 = 12,067.48 : x
  2. Step 2: Convert to fraction form
    21,629.14/29,841.22 = 12,067.48/x
  3. Step 3: Cross multiply
    21,629.14x = 29,841.22 × 12,067.48
  4. Step 4: Simplify right side
    21,629.14x = 360,108,210.05
  5. Step 5: Solve for x
    x = 360,108,210.05/21,629.14
  6. Step 6: Final answer
    x = 16,649.22

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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.