Home / 21,744.96-32,617.92-18,480.96

Finding the Fourth Proportional to 21,744.96, 32,617.92 and 18,480.96

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Solution

The fourth proportional to 21,744.96, 32,617.92 and 18,480.96 is: 27,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.96 : 32,617.92 = 18,480.96 : x
  2. Step 2: Convert to fraction form
    21,744.96/32,617.92 = 18,480.96/x
  3. Step 3: Cross multiply
    21,744.96x = 32,617.92 × 18,480.96
  4. Step 4: Simplify right side
    21,744.96x = 602,810,474.80
  5. Step 5: Solve for x
    x = 602,810,474.80/21,744.96
  6. Step 6: Final answer
    x = 27,721.85

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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.