Home / 28,022.14-38,672.87-16,087.78

Finding the Fourth Proportional to 28,022.14, 38,672.87 and 16,087.78

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Solution

The fourth proportional to 28,022.14, 38,672.87 and 16,087.78 is: 22,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.14 : 38,672.87 = 16,087.78 : x
  2. Step 2: Convert to fraction form
    28,022.14/38,672.87 = 16,087.78/x
  3. Step 3: Cross multiply
    28,022.14x = 38,672.87 × 16,087.78
  4. Step 4: Simplify right side
    28,022.14x = 622,160,544.09
  5. Step 5: Solve for x
    x = 622,160,544.09/28,022.14
  6. Step 6: Final answer
    x = 22,202.46

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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.