Home / 21,562.25-32,343.38-5,979.88

Finding the Fourth Proportional to 21,562.25, 32,343.38 and 5,979.88

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Solution

The fourth proportional to 21,562.25, 32,343.38 and 5,979.88 is: 8,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562.25 : 32,343.38 = 5,979.88 : x
  2. Step 2: Convert to fraction form
    21,562.25/32,343.38 = 5,979.88/x
  3. Step 3: Cross multiply
    21,562.25x = 32,343.38 × 5,979.88
  4. Step 4: Simplify right side
    21,562.25x = 193,409,339.58
  5. Step 5: Solve for x
    x = 193,409,339.58/21,562.25
  6. Step 6: Final answer
    x = 8,969.81

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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.