Home / 21,942.89-32,932.76-9,472.32

Finding the Fourth Proportional to 21,942.89, 32,932.76 and 9,472.32

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Solution

The fourth proportional to 21,942.89, 32,932.76 and 9,472.32 is: 14,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.89 : 32,932.76 = 9,472.32 : x
  2. Step 2: Convert to fraction form
    21,942.89/32,932.76 = 9,472.32/x
  3. Step 3: Cross multiply
    21,942.89x = 32,932.76 × 9,472.32
  4. Step 4: Simplify right side
    21,942.89x = 311,949,593.84
  5. Step 5: Solve for x
    x = 311,949,593.84/21,942.89
  6. Step 6: Final answer
    x = 14,216.43

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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.