Home / 21,989.22-32,983.56-5,349.26

Finding the Fourth Proportional to 21,989.22, 32,983.56 and 5,349.26

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Solution

The fourth proportional to 21,989.22, 32,983.56 and 5,349.26 is: 8,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989.22 : 32,983.56 = 5,349.26 : x
  2. Step 2: Convert to fraction form
    21,989.22/32,983.56 = 5,349.26/x
  3. Step 3: Cross multiply
    21,989.22x = 32,983.56 × 5,349.26
  4. Step 4: Simplify right side
    21,989.22x = 176,437,473.25
  5. Step 5: Solve for x
    x = 176,437,473.25/21,989.22
  6. Step 6: Final answer
    x = 8,023.82

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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.