Home / 27,815.70-41,723.55-7,039.20

Finding the Fourth Proportional to 27,815.70, 41,723.55 and 7,039.20

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Solution

The fourth proportional to 27,815.70, 41,723.55 and 7,039.20 is: 10,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.70 : 41,723.55 = 7,039.20 : x
  2. Step 2: Convert to fraction form
    27,815.70/41,723.55 = 7,039.20/x
  3. Step 3: Cross multiply
    27,815.70x = 41,723.55 × 7,039.20
  4. Step 4: Simplify right side
    27,815.70x = 293,700,413.16
  5. Step 5: Solve for x
    x = 293,700,413.16/27,815.70
  6. Step 6: Final answer
    x = 10,558.80

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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.