Home / 28,357.71-39,124.82-16,091.10

Finding the Fourth Proportional to 28,357.71, 39,124.82 and 16,091.10

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Solution

The fourth proportional to 28,357.71, 39,124.82 and 16,091.10 is: 22,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.71 : 39,124.82 = 16,091.10 : x
  2. Step 2: Convert to fraction form
    28,357.71/39,124.82 = 16,091.10/x
  3. Step 3: Cross multiply
    28,357.71x = 39,124.82 × 16,091.10
  4. Step 4: Simplify right side
    28,357.71x = 629,561,195.48
  5. Step 5: Solve for x
    x = 629,561,195.48/28,357.71
  6. Step 6: Final answer
    x = 22,200.71

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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.