Home / 21,474.37-32,207.82-5,679.57

Finding the Fourth Proportional to 21,474.37, 32,207.82 and 5,679.57

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Solution

The fourth proportional to 21,474.37, 32,207.82 and 5,679.57 is: 8,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.37 : 32,207.82 = 5,679.57 : x
  2. Step 2: Convert to fraction form
    21,474.37/32,207.82 = 5,679.57/x
  3. Step 3: Cross multiply
    21,474.37x = 32,207.82 × 5,679.57
  4. Step 4: Simplify right side
    21,474.37x = 182,926,568.24
  5. Step 5: Solve for x
    x = 182,926,568.24/21,474.37
  6. Step 6: Final answer
    x = 8,518.37

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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.