Home / 21,394.52-32,090.28-6,601.88

Finding the Fourth Proportional to 21,394.52, 32,090.28 and 6,601.88

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Solution

The fourth proportional to 21,394.52, 32,090.28 and 6,601.88 is: 9,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.52 : 32,090.28 = 6,601.88 : x
  2. Step 2: Convert to fraction form
    21,394.52/32,090.28 = 6,601.88/x
  3. Step 3: Cross multiply
    21,394.52x = 32,090.28 × 6,601.88
  4. Step 4: Simplify right side
    21,394.52x = 211,856,177.73
  5. Step 5: Solve for x
    x = 211,856,177.73/21,394.52
  6. Step 6: Final answer
    x = 9,902.36

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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.