Home / 21,049.43-29,024.65-17,209.09

Finding the Fourth Proportional to 21,049.43, 29,024.65 and 17,209.09

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Solution

The fourth proportional to 21,049.43, 29,024.65 and 17,209.09 is: 23,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.43 : 29,024.65 = 17,209.09 : x
  2. Step 2: Convert to fraction form
    21,049.43/29,024.65 = 17,209.09/x
  3. Step 3: Cross multiply
    21,049.43x = 29,024.65 × 17,209.09
  4. Step 4: Simplify right side
    21,049.43x = 499,487,698.48
  5. Step 5: Solve for x
    x = 499,487,698.48/21,049.43
  6. Step 6: Final answer
    x = 23,729.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.