Home / 28,057.35-38,721.33-16,124.85

Finding the Fourth Proportional to 28,057.35, 38,721.33 and 16,124.85

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Solution

The fourth proportional to 28,057.35, 38,721.33 and 16,124.85 is: 22,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057.35 : 38,721.33 = 16,124.85 : x
  2. Step 2: Convert to fraction form
    28,057.35/38,721.33 = 16,124.85/x
  3. Step 3: Cross multiply
    28,057.35x = 38,721.33 × 16,124.85
  4. Step 4: Simplify right side
    28,057.35x = 624,375,638.05
  5. Step 5: Solve for x
    x = 624,375,638.05/28,057.35
  6. Step 6: Final answer
    x = 22,253.55

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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.