Home / 21,971.09-33,001.27-19,396.97

Finding the Fourth Proportional to 21,971.09, 33,001.27 and 19,396.97

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Solution

The fourth proportional to 21,971.09, 33,001.27 and 19,396.97 is: 29,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.09 : 33,001.27 = 19,396.97 : x
  2. Step 2: Convert to fraction form
    21,971.09/33,001.27 = 19,396.97/x
  3. Step 3: Cross multiply
    21,971.09x = 33,001.27 × 19,396.97
  4. Step 4: Simplify right side
    21,971.09x = 640,124,382.16
  5. Step 5: Solve for x
    x = 640,124,382.16/21,971.09
  6. Step 6: Final answer
    x = 29,134.85

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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.