Home / 28,560.56-39,414.14-17,087.30

Finding the Fourth Proportional to 28,560.56, 39,414.14 and 17,087.30

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Solution

The fourth proportional to 28,560.56, 39,414.14 and 17,087.30 is: 23,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.56 : 39,414.14 = 17,087.30 : x
  2. Step 2: Convert to fraction form
    28,560.56/39,414.14 = 17,087.30/x
  3. Step 3: Cross multiply
    28,560.56x = 39,414.14 × 17,087.30
  4. Step 4: Simplify right side
    28,560.56x = 673,481,234.42
  5. Step 5: Solve for x
    x = 673,481,234.42/28,560.56
  6. Step 6: Final answer
    x = 23,580.81

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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.