Home / 21,450.29-32,187.51-16,757.13

Finding the Fourth Proportional to 21,450.29, 32,187.51 and 16,757.13

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Solution

The fourth proportional to 21,450.29, 32,187.51 and 16,757.13 is: 25,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.29 : 32,187.51 = 16,757.13 : x
  2. Step 2: Convert to fraction form
    21,450.29/32,187.51 = 16,757.13/x
  3. Step 3: Cross multiply
    21,450.29x = 32,187.51 × 16,757.13
  4. Step 4: Simplify right side
    21,450.29x = 539,370,229.09
  5. Step 5: Solve for x
    x = 539,370,229.09/21,450.29
  6. Step 6: Final answer
    x = 25,145.13

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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.