Home / 27,745.92-38,289.33-15,170.67

Finding the Fourth Proportional to 27,745.92, 38,289.33 and 15,170.67

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Solution

The fourth proportional to 27,745.92, 38,289.33 and 15,170.67 is: 20,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745.92 : 38,289.33 = 15,170.67 : x
  2. Step 2: Convert to fraction form
    27,745.92/38,289.33 = 15,170.67/x
  3. Step 3: Cross multiply
    27,745.92x = 38,289.33 × 15,170.67
  4. Step 4: Simplify right side
    27,745.92x = 580,874,789.95
  5. Step 5: Solve for x
    x = 580,874,789.95/27,745.92
  6. Step 6: Final answer
    x = 20,935.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.