Home / 28,760.03-43,145.49-11,228.75

Finding the Fourth Proportional to 28,760.03, 43,145.49 and 11,228.75

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Solution

The fourth proportional to 28,760.03, 43,145.49 and 11,228.75 is: 16,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760.03 : 43,145.49 = 11,228.75 : x
  2. Step 2: Convert to fraction form
    28,760.03/43,145.49 = 11,228.75/x
  3. Step 3: Cross multiply
    28,760.03x = 43,145.49 × 11,228.75
  4. Step 4: Simplify right side
    28,760.03x = 484,469,920.84
  5. Step 5: Solve for x
    x = 484,469,920.84/28,760.03
  6. Step 6: Final answer
    x = 16,845.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.