Home / 27,930.96-41,895.72-11,290.56

Finding the Fourth Proportional to 27,930.96, 41,895.72 and 11,290.56

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Solution

The fourth proportional to 27,930.96, 41,895.72 and 11,290.56 is: 16,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,930.96 : 41,895.72 = 11,290.56 : x
  2. Step 2: Convert to fraction form
    27,930.96/41,895.72 = 11,290.56/x
  3. Step 3: Cross multiply
    27,930.96x = 41,895.72 × 11,290.56
  4. Step 4: Simplify right side
    27,930.96x = 473,026,140.40
  5. Step 5: Solve for x
    x = 473,026,140.40/27,930.96
  6. Step 6: Final answer
    x = 16,935.55

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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.