Home / 21,453.62-32,180.43-5,871.24

Finding the Fourth Proportional to 21,453.62, 32,180.43 and 5,871.24

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Solution

The fourth proportional to 21,453.62, 32,180.43 and 5,871.24 is: 8,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.62 : 32,180.43 = 5,871.24 : x
  2. Step 2: Convert to fraction form
    21,453.62/32,180.43 = 5,871.24/x
  3. Step 3: Cross multiply
    21,453.62x = 32,180.43 × 5,871.24
  4. Step 4: Simplify right side
    21,453.62x = 188,939,170.53
  5. Step 5: Solve for x
    x = 188,939,170.53/21,453.62
  6. Step 6: Final answer
    x = 8,806.87

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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.