Home / 21,982.60-32,973.42-5,342.72

Finding the Fourth Proportional to 21,982.60, 32,973.42 and 5,342.72

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Solution

The fourth proportional to 21,982.60, 32,973.42 and 5,342.72 is: 8,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.60 : 32,973.42 = 5,342.72 : x
  2. Step 2: Convert to fraction form
    21,982.60/32,973.42 = 5,342.72/x
  3. Step 3: Cross multiply
    21,982.60x = 32,973.42 × 5,342.72
  4. Step 4: Simplify right side
    21,982.60x = 176,167,750.50
  5. Step 5: Solve for x
    x = 176,167,750.50/21,982.60
  6. Step 6: Final answer
    x = 8,013.97

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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.