Home / 27,928.47-41,895.78-8,208.57

Finding the Fourth Proportional to 27,928.47, 41,895.78 and 8,208.57

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Solution

The fourth proportional to 27,928.47, 41,895.78 and 8,208.57 is: 12,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.47 : 41,895.78 = 8,208.57 : x
  2. Step 2: Convert to fraction form
    27,928.47/41,895.78 = 8,208.57/x
  3. Step 3: Cross multiply
    27,928.47x = 41,895.78 × 8,208.57
  4. Step 4: Simplify right side
    27,928.47x = 343,904,442.83
  5. Step 5: Solve for x
    x = 343,904,442.83/27,928.47
  6. Step 6: Final answer
    x = 12,313.76

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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.