Home / 27,715.64-41,489.40-17,861.96

Finding the Fourth Proportional to 27,715.64, 41,489.40 and 17,861.96

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Solution

The fourth proportional to 27,715.64, 41,489.40 and 17,861.96 is: 26,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.64 : 41,489.40 = 17,861.96 : x
  2. Step 2: Convert to fraction form
    27,715.64/41,489.40 = 17,861.96/x
  3. Step 3: Cross multiply
    27,715.64x = 41,489.40 × 17,861.96
  4. Step 4: Simplify right side
    27,715.64x = 741,082,003.22
  5. Step 5: Solve for x
    x = 741,082,003.22/27,715.64
  6. Step 6: Final answer
    x = 26,738.77

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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.