Home / 18,277.65-27,260.55-17,961.75

Finding the Fourth Proportional to 18,277.65, 27,260.55 and 17,961.75

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Solution

The fourth proportional to 18,277.65, 27,260.55 and 17,961.75 is: 26,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.65 : 27,260.55 = 17,961.75 : x
  2. Step 2: Convert to fraction form
    18,277.65/27,260.55 = 17,961.75/x
  3. Step 3: Cross multiply
    18,277.65x = 27,260.55 × 17,961.75
  4. Step 4: Simplify right side
    18,277.65x = 489,647,183.96
  5. Step 5: Solve for x
    x = 489,647,183.96/18,277.65
  6. Step 6: Final answer
    x = 26,789.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.