Home / 27,105.38-40,636.15-11,322.50

Finding the Fourth Proportional to 27,105.38, 40,636.15 and 11,322.50

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Solution

The fourth proportional to 27,105.38, 40,636.15 and 11,322.50 is: 16,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.38 : 40,636.15 = 11,322.50 : x
  2. Step 2: Convert to fraction form
    27,105.38/40,636.15 = 11,322.50/x
  3. Step 3: Cross multiply
    27,105.38x = 40,636.15 × 11,322.50
  4. Step 4: Simplify right side
    27,105.38x = 460,102,808.38
  5. Step 5: Solve for x
    x = 460,102,808.38/27,105.38
  6. Step 6: Final answer
    x = 16,974.59

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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.