Home / 21,977.22-32,971.26-6,394.88

Finding the Fourth Proportional to 21,977.22, 32,971.26 and 6,394.88

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Solution

The fourth proportional to 21,977.22, 32,971.26 and 6,394.88 is: 9,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.22 : 32,971.26 = 6,394.88 : x
  2. Step 2: Convert to fraction form
    21,977.22/32,971.26 = 6,394.88/x
  3. Step 3: Cross multiply
    21,977.22x = 32,971.26 × 6,394.88
  4. Step 4: Simplify right side
    21,977.22x = 210,847,251.15
  5. Step 5: Solve for x
    x = 210,847,251.15/21,977.22
  6. Step 6: Final answer
    x = 9,593.90

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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.