Home / 21,029.34-29,020.71-11,597.82

Finding the Fourth Proportional to 21,029.34, 29,020.71 and 11,597.82

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Solution

The fourth proportional to 21,029.34, 29,020.71 and 11,597.82 is: 16,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.34 : 29,020.71 = 11,597.82 : x
  2. Step 2: Convert to fraction form
    21,029.34/29,020.71 = 11,597.82/x
  3. Step 3: Cross multiply
    21,029.34x = 29,020.71 × 11,597.82
  4. Step 4: Simplify right side
    21,029.34x = 336,576,970.85
  5. Step 5: Solve for x
    x = 336,576,970.85/21,029.34
  6. Step 6: Final answer
    x = 16,005.11

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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.