Home / 21,037.26-29,031.42-11,605.82

Finding the Fourth Proportional to 21,037.26, 29,031.42 and 11,605.82

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Solution

The fourth proportional to 21,037.26, 29,031.42 and 11,605.82 is: 16,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.26 : 29,031.42 = 11,605.82 : x
  2. Step 2: Convert to fraction form
    21,037.26/29,031.42 = 11,605.82/x
  3. Step 3: Cross multiply
    21,037.26x = 29,031.42 × 11,605.82
  4. Step 4: Simplify right side
    21,037.26x = 336,933,449.41
  5. Step 5: Solve for x
    x = 336,933,449.41/21,037.26
  6. Step 6: Final answer
    x = 16,016.03

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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.