Home / 27,806.79-41,709.86-11,166.53

Finding the Fourth Proportional to 27,806.79, 41,709.86 and 11,166.53

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Solution

The fourth proportional to 27,806.79, 41,709.86 and 11,166.53 is: 16,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,806.79 : 41,709.86 = 11,166.53 : x
  2. Step 2: Convert to fraction form
    27,806.79/41,709.86 = 11,166.53/x
  3. Step 3: Cross multiply
    27,806.79x = 41,709.86 × 11,166.53
  4. Step 4: Simplify right side
    27,806.79x = 465,754,138.60
  5. Step 5: Solve for x
    x = 465,754,138.60/27,806.79
  6. Step 6: Final answer
    x = 16,749.65

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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.