Home / 27,910.72-41,901.62-18,091.09

Finding the Fourth Proportional to 27,910.72, 41,901.62 and 18,091.09

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Solution

The fourth proportional to 27,910.72, 41,901.62 and 18,091.09 is: 27,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,910.72 : 41,901.62 = 18,091.09 : x
  2. Step 2: Convert to fraction form
    27,910.72/41,901.62 = 18,091.09/x
  3. Step 3: Cross multiply
    27,910.72x = 41,901.62 × 18,091.09
  4. Step 4: Simplify right side
    27,910.72x = 758,045,783.36
  5. Step 5: Solve for x
    x = 758,045,783.36/27,910.72
  6. Step 6: Final answer
    x = 27,159.67

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1.5x scale

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.