Home / 21,747.38-32,621.09-5,331.38

Finding the Fourth Proportional to 21,747.38, 32,621.09 and 5,331.38

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Solution

The fourth proportional to 21,747.38, 32,621.09 and 5,331.38 is: 7,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.38 : 32,621.09 = 5,331.38 : x
  2. Step 2: Convert to fraction form
    21,747.38/32,621.09 = 5,331.38/x
  3. Step 3: Cross multiply
    21,747.38x = 32,621.09 × 5,331.38
  4. Step 4: Simplify right side
    21,747.38x = 173,915,237.04
  5. Step 5: Solve for x
    x = 173,915,237.04/21,747.38
  6. Step 6: Final answer
    x = 7,997.07

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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.