Home / 21,382.52-32,064.60-7,343.96

Finding the Fourth Proportional to 21,382.52, 32,064.60 and 7,343.96

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Solution

The fourth proportional to 21,382.52, 32,064.60 and 7,343.96 is: 11,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.52 : 32,064.60 = 7,343.96 : x
  2. Step 2: Convert to fraction form
    21,382.52/32,064.60 = 7,343.96/x
  3. Step 3: Cross multiply
    21,382.52x = 32,064.60 × 7,343.96
  4. Step 4: Simplify right side
    21,382.52x = 235,481,127.28
  5. Step 5: Solve for x
    x = 235,481,127.28/21,382.52
  6. Step 6: Final answer
    x = 11,012.79

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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.