Home / 28,350.51-39,121.41-16,414.60

Finding the Fourth Proportional to 28,350.51, 39,121.41 and 16,414.60

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Solution

The fourth proportional to 28,350.51, 39,121.41 and 16,414.60 is: 22,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.51 : 39,121.41 = 16,414.60 : x
  2. Step 2: Convert to fraction form
    28,350.51/39,121.41 = 16,414.60/x
  3. Step 3: Cross multiply
    28,350.51x = 39,121.41 × 16,414.60
  4. Step 4: Simplify right side
    28,350.51x = 642,162,195.19
  5. Step 5: Solve for x
    x = 642,162,195.19/28,350.51
  6. Step 6: Final answer
    x = 22,650.82

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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.