Home / 21,444.33-32,172.26-8,960.20

Finding the Fourth Proportional to 21,444.33, 32,172.26 and 8,960.20

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Solution

The fourth proportional to 21,444.33, 32,172.26 and 8,960.20 is: 13,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.33 : 32,172.26 = 8,960.20 : x
  2. Step 2: Convert to fraction form
    21,444.33/32,172.26 = 8,960.20/x
  3. Step 3: Cross multiply
    21,444.33x = 32,172.26 × 8,960.20
  4. Step 4: Simplify right side
    21,444.33x = 288,269,884.05
  5. Step 5: Solve for x
    x = 288,269,884.05/21,444.33
  6. Step 6: Final answer
    x = 13,442.71

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1.5x scale

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.