Home / 21,529.38-32,294.06-6,738.36

Finding the Fourth Proportional to 21,529.38, 32,294.06 and 6,738.36

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Solution

The fourth proportional to 21,529.38, 32,294.06 and 6,738.36 is: 10,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.38 : 32,294.06 = 6,738.36 : x
  2. Step 2: Convert to fraction form
    21,529.38/32,294.06 = 6,738.36/x
  3. Step 3: Cross multiply
    21,529.38x = 32,294.06 × 6,738.36
  4. Step 4: Simplify right side
    21,529.38x = 217,609,002.14
  5. Step 5: Solve for x
    x = 217,609,002.14/21,529.38
  6. Step 6: Final answer
    x = 10,107.54

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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.