Home / 21,591.96-32,389.32-6,801.36

Finding the Fourth Proportional to 21,591.96, 32,389.32 and 6,801.36

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Solution

The fourth proportional to 21,591.96, 32,389.32 and 6,801.36 is: 10,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.96 : 32,389.32 = 6,801.36 : x
  2. Step 2: Convert to fraction form
    21,591.96/32,389.32 = 6,801.36/x
  3. Step 3: Cross multiply
    21,591.96x = 32,389.32 × 6,801.36
  4. Step 4: Simplify right side
    21,591.96x = 220,291,425.48
  5. Step 5: Solve for x
    x = 220,291,425.48/21,591.96
  6. Step 6: Final answer
    x = 10,202.47

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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.