Home / 21,983.47-32,974.75-5,343.60

Finding the Fourth Proportional to 21,983.47, 32,974.75 and 5,343.60

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Solution

The fourth proportional to 21,983.47, 32,974.75 and 5,343.60 is: 8,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.47 : 32,974.75 = 5,343.60 : x
  2. Step 2: Convert to fraction form
    21,983.47/32,974.75 = 5,343.60/x
  3. Step 3: Cross multiply
    21,983.47x = 32,974.75 × 5,343.60
  4. Step 4: Simplify right side
    21,983.47x = 176,203,874.10
  5. Step 5: Solve for x
    x = 176,203,874.10/21,983.47
  6. Step 6: Final answer
    x = 8,015.29

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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.