Home / 28,377.68-39,150.54-16,436.66

Finding the Fourth Proportional to 28,377.68, 39,150.54 and 16,436.66

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Solution

The fourth proportional to 28,377.68, 39,150.54 and 16,436.66 is: 22,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.68 : 39,150.54 = 16,436.66 : x
  2. Step 2: Convert to fraction form
    28,377.68/39,150.54 = 16,436.66/x
  3. Step 3: Cross multiply
    28,377.68x = 39,150.54 × 16,436.66
  4. Step 4: Simplify right side
    28,377.68x = 643,504,114.80
  5. Step 5: Solve for x
    x = 643,504,114.80/28,377.68
  6. Step 6: Final answer
    x = 22,676.42

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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.