Home / 21,023.46-29,010.89-11,591.82

Finding the Fourth Proportional to 21,023.46, 29,010.89 and 11,591.82

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Solution

The fourth proportional to 21,023.46, 29,010.89 and 11,591.82 is: 15,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.46 : 29,010.89 = 11,591.82 : x
  2. Step 2: Convert to fraction form
    21,023.46/29,010.89 = 11,591.82/x
  3. Step 3: Cross multiply
    21,023.46x = 29,010.89 × 11,591.82
  4. Step 4: Simplify right side
    21,023.46x = 336,289,043.90
  5. Step 5: Solve for x
    x = 336,289,043.90/21,023.46
  6. Step 6: Final answer
    x = 15,995.89

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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.