Home / 21,984.76-32,982.56-6,402.52

Finding the Fourth Proportional to 21,984.76, 32,982.56 and 6,402.52

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Solution

The fourth proportional to 21,984.76, 32,982.56 and 6,402.52 is: 9,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.76 : 32,982.56 = 6,402.52 : x
  2. Step 2: Convert to fraction form
    21,984.76/32,982.56 = 6,402.52/x
  3. Step 3: Cross multiply
    21,984.76x = 32,982.56 × 6,402.52
  4. Step 4: Simplify right side
    21,984.76x = 211,171,500.05
  5. Step 5: Solve for x
    x = 211,171,500.05/21,984.76
  6. Step 6: Final answer
    x = 9,605.36

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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.