Home / 31,721.68-43,733.28-27,226

Finding the Fourth Proportional to 31,721.68, 43,733.28 and 27,226

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Solution

The fourth proportional to 31,721.68, 43,733.28 and 27,226 is: 37,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.68 : 43,733.28 = 27,226 : x
  2. Step 2: Convert to fraction form
    31,721.68/43,733.28 = 27,226/x
  3. Step 3: Cross multiply
    31,721.68x = 43,733.28 × 27,226
  4. Step 4: Simplify right side
    31,721.68x = 1,190,682,281.28
  5. Step 5: Solve for x
    x = 1,190,682,281.28/31,721.68
  6. Step 6: Final answer
    x = 37,535.28

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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.