Home / 27,869.59-41,794.66-12,278.71

Finding the Fourth Proportional to 27,869.59, 41,794.66 and 12,278.71

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Solution

The fourth proportional to 27,869.59, 41,794.66 and 12,278.71 is: 18,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,869.59 : 41,794.66 = 12,278.71 : x
  2. Step 2: Convert to fraction form
    27,869.59/41,794.66 = 12,278.71/x
  3. Step 3: Cross multiply
    27,869.59x = 41,794.66 × 12,278.71
  4. Step 4: Simplify right side
    27,869.59x = 513,184,509.69
  5. Step 5: Solve for x
    x = 513,184,509.69/27,869.59
  6. Step 6: Final answer
    x = 18,413.78

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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.