Home / 21,669.88-32,478.18-17,269.24

Finding the Fourth Proportional to 21,669.88, 32,478.18 and 17,269.24

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Solution

The fourth proportional to 21,669.88, 32,478.18 and 17,269.24 is: 25,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.88 : 32,478.18 = 17,269.24 : x
  2. Step 2: Convert to fraction form
    21,669.88/32,478.18 = 17,269.24/x
  3. Step 3: Cross multiply
    21,669.88x = 32,478.18 × 17,269.24
  4. Step 4: Simplify right side
    21,669.88x = 560,873,485.18
  5. Step 5: Solve for x
    x = 560,873,485.18/21,669.88
  6. Step 6: Final answer
    x = 25,882.63

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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.