Home / 21,927.28-32,882.34-7,132.60

Finding the Fourth Proportional to 21,927.28, 32,882.34 and 7,132.60

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Solution

The fourth proportional to 21,927.28, 32,882.34 and 7,132.60 is: 10,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.28 : 32,882.34 = 7,132.60 : x
  2. Step 2: Convert to fraction form
    21,927.28/32,882.34 = 7,132.60/x
  3. Step 3: Cross multiply
    21,927.28x = 32,882.34 × 7,132.60
  4. Step 4: Simplify right side
    21,927.28x = 234,536,578.28
  5. Step 5: Solve for x
    x = 234,536,578.28/21,927.28
  6. Step 6: Final answer
    x = 10,696.11

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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.