Home / 21,943.44-32,920.56-6,360.84

Finding the Fourth Proportional to 21,943.44, 32,920.56 and 6,360.84

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Solution

The fourth proportional to 21,943.44, 32,920.56 and 6,360.84 is: 9,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943.44 : 32,920.56 = 6,360.84 : x
  2. Step 2: Convert to fraction form
    21,943.44/32,920.56 = 6,360.84/x
  3. Step 3: Cross multiply
    21,943.44x = 32,920.56 × 6,360.84
  4. Step 4: Simplify right side
    21,943.44x = 209,402,414.87
  5. Step 5: Solve for x
    x = 209,402,414.87/21,943.44
  6. Step 6: Final answer
    x = 9,542.83

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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.