Home / 21,982.56-32,973.96-7,192.92

Finding the Fourth Proportional to 21,982.56, 32,973.96 and 7,192.92

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Solution

The fourth proportional to 21,982.56, 32,973.96 and 7,192.92 is: 10,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.56 : 32,973.96 = 7,192.92 : x
  2. Step 2: Convert to fraction form
    21,982.56/32,973.96 = 7,192.92/x
  3. Step 3: Cross multiply
    21,982.56x = 32,973.96 × 7,192.92
  4. Step 4: Simplify right side
    21,982.56x = 237,179,056.36
  5. Step 5: Solve for x
    x = 237,179,056.36/21,982.56
  6. Step 6: Final answer
    x = 10,789.42

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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.