Home / 28,855.57-43,285.82-10,133.97

Finding the Fourth Proportional to 28,855.57, 43,285.82 and 10,133.97

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Solution

The fourth proportional to 28,855.57, 43,285.82 and 10,133.97 is: 15,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.57 : 43,285.82 = 10,133.97 : x
  2. Step 2: Convert to fraction form
    28,855.57/43,285.82 = 10,133.97/x
  3. Step 3: Cross multiply
    28,855.57x = 43,285.82 × 10,133.97
  4. Step 4: Simplify right side
    28,855.57x = 438,657,321.17
  5. Step 5: Solve for x
    x = 438,657,321.17/28,855.57
  6. Step 6: Final answer
    x = 15,201.83

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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.