Home / 28,754.81-39,469.63-25,540.73

Finding the Fourth Proportional to 28,754.81, 39,469.63 and 25,540.73

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Solution

The fourth proportional to 28,754.81, 39,469.63 and 25,540.73 is: 35,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,754.81 : 39,469.63 = 25,540.73 : x
  2. Step 2: Convert to fraction form
    28,754.81/39,469.63 = 25,540.73/x
  3. Step 3: Cross multiply
    28,754.81x = 39,469.63 × 25,540.73
  4. Step 4: Simplify right side
    28,754.81x = 1,008,083,163.03
  5. Step 5: Solve for x
    x = 1,008,083,163.03/28,754.81
  6. Step 6: Final answer
    x = 35,057.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.