Home / 27,790.70-41,708.52-21,535.88

Finding the Fourth Proportional to 27,790.70, 41,708.52 and 21,535.88

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Solution

The fourth proportional to 27,790.70, 41,708.52 and 21,535.88 is: 32,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.70 : 41,708.52 = 21,535.88 : x
  2. Step 2: Convert to fraction form
    27,790.70/41,708.52 = 21,535.88/x
  3. Step 3: Cross multiply
    27,790.70x = 41,708.52 × 21,535.88
  4. Step 4: Simplify right side
    27,790.70x = 898,229,473.16
  5. Step 5: Solve for x
    x = 898,229,473.16/27,790.70
  6. Step 6: Final answer
    x = 32,321.23

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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.