Home / 21,942.64-32,907.68-7,152.85

Finding the Fourth Proportional to 21,942.64, 32,907.68 and 7,152.85

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Solution

The fourth proportional to 21,942.64, 32,907.68 and 7,152.85 is: 10,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.64 : 32,907.68 = 7,152.85 : x
  2. Step 2: Convert to fraction form
    21,942.64/32,907.68 = 7,152.85/x
  3. Step 3: Cross multiply
    21,942.64x = 32,907.68 × 7,152.85
  4. Step 4: Simplify right side
    21,942.64x = 235,383,663.12
  5. Step 5: Solve for x
    x = 235,383,663.12/21,942.64
  6. Step 6: Final answer
    x = 10,727.23

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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.