Home / 21,996.66-33,007.41-10,309.98

Finding the Fourth Proportional to 21,996.66, 33,007.41 and 10,309.98

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Solution

The fourth proportional to 21,996.66, 33,007.41 and 10,309.98 is: 15,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.66 : 33,007.41 = 10,309.98 : x
  2. Step 2: Convert to fraction form
    21,996.66/33,007.41 = 10,309.98/x
  3. Step 3: Cross multiply
    21,996.66x = 33,007.41 × 10,309.98
  4. Step 4: Simplify right side
    21,996.66x = 340,305,736.95
  5. Step 5: Solve for x
    x = 340,305,736.95/21,996.66
  6. Step 6: Final answer
    x = 15,470.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.