Home / 21,629.64-29,841.91-12,067.98

Finding the Fourth Proportional to 21,629.64, 29,841.91 and 12,067.98

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Solution

The fourth proportional to 21,629.64, 29,841.91 and 12,067.98 is: 16,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.64 : 29,841.91 = 12,067.98 : x
  2. Step 2: Convert to fraction form
    21,629.64/29,841.91 = 12,067.98/x
  3. Step 3: Cross multiply
    21,629.64x = 29,841.91 × 12,067.98
  4. Step 4: Simplify right side
    21,629.64x = 360,131,423.83
  5. Step 5: Solve for x
    x = 360,131,423.83/21,629.64
  6. Step 6: Final answer
    x = 16,649.90

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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.