Home / 56,715.27-85,085.06-17,275.56

Finding the Fourth Proportional to 56,715.27, 85,085.06 and 17,275.56

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Solution

The fourth proportional to 56,715.27, 85,085.06 and 17,275.56 is: 25,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,715.27 : 85,085.06 = 17,275.56 : x
  2. Step 2: Convert to fraction form
    56,715.27/85,085.06 = 17,275.56/x
  3. Step 3: Cross multiply
    56,715.27x = 85,085.06 × 17,275.56
  4. Step 4: Simplify right side
    56,715.27x = 1,469,891,972.76
  5. Step 5: Solve for x
    x = 1,469,891,972.76/56,715.27
  6. Step 6: Final answer
    x = 25,917.04

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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.