Home / 27,126.91-40,696.71-8,405.97

Finding the Fourth Proportional to 27,126.91, 40,696.71 and 8,405.97

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Solution

The fourth proportional to 27,126.91, 40,696.71 and 8,405.97 is: 12,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.91 : 40,696.71 = 8,405.97 : x
  2. Step 2: Convert to fraction form
    27,126.91/40,696.71 = 8,405.97/x
  3. Step 3: Cross multiply
    27,126.91x = 40,696.71 × 8,405.97
  4. Step 4: Simplify right side
    27,126.91x = 342,095,323.36
  5. Step 5: Solve for x
    x = 342,095,323.36/27,126.91
  6. Step 6: Final answer
    x = 12,610.92

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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.