Home / 21,976.20-32,965.20-6,393.83

Finding the Fourth Proportional to 21,976.20, 32,965.20 and 6,393.83

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Solution

The fourth proportional to 21,976.20, 32,965.20 and 6,393.83 is: 9,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976.20 : 32,965.20 = 6,393.83 : x
  2. Step 2: Convert to fraction form
    21,976.20/32,965.20 = 6,393.83/x
  3. Step 3: Cross multiply
    21,976.20x = 32,965.20 × 6,393.83
  4. Step 4: Simplify right side
    21,976.20x = 210,773,719.89
  5. Step 5: Solve for x
    x = 210,773,719.89/21,976.20
  6. Step 6: Final answer
    x = 9,591.00

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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.