Home / 21,453.61-32,180.41-5,871.23

Finding the Fourth Proportional to 21,453.61, 32,180.41 and 5,871.23

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Solution

The fourth proportional to 21,453.61, 32,180.41 and 5,871.23 is: 8,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.61 : 32,180.41 = 5,871.23 : x
  2. Step 2: Convert to fraction form
    21,453.61/32,180.41 = 5,871.23/x
  3. Step 3: Cross multiply
    21,453.61x = 32,180.41 × 5,871.23
  4. Step 4: Simplify right side
    21,453.61x = 188,938,753.25
  5. Step 5: Solve for x
    x = 188,938,753.25/21,453.61
  6. Step 6: Final answer
    x = 8,806.85

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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.