Home / 27,277.09-40,916.13-8,556.70

Finding the Fourth Proportional to 27,277.09, 40,916.13 and 8,556.70

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Solution

The fourth proportional to 27,277.09, 40,916.13 and 8,556.70 is: 12,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.09 : 40,916.13 = 8,556.70 : x
  2. Step 2: Convert to fraction form
    27,277.09/40,916.13 = 8,556.70/x
  3. Step 3: Cross multiply
    27,277.09x = 40,916.13 × 8,556.70
  4. Step 4: Simplify right side
    27,277.09x = 350,107,049.57
  5. Step 5: Solve for x
    x = 350,107,049.57/27,277.09
  6. Step 6: Final answer
    x = 12,835.21

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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.