Home / 28,144.41-38,839.30-16,207.49

Finding the Fourth Proportional to 28,144.41, 38,839.30 and 16,207.49

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Solution

The fourth proportional to 28,144.41, 38,839.30 and 16,207.49 is: 22,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.41 : 38,839.30 = 16,207.49 : x
  2. Step 2: Convert to fraction form
    28,144.41/38,839.30 = 16,207.49/x
  3. Step 3: Cross multiply
    28,144.41x = 38,839.30 × 16,207.49
  4. Step 4: Simplify right side
    28,144.41x = 629,487,622.94
  5. Step 5: Solve for x
    x = 629,487,622.94/28,144.41
  6. Step 6: Final answer
    x = 22,366.34

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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.