Home / 21,058.26-29,098.89-20,033.21

Finding the Fourth Proportional to 21,058.26, 29,098.89 and 20,033.21

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Solution

The fourth proportional to 21,058.26, 29,098.89 and 20,033.21 is: 27,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.26 : 29,098.89 = 20,033.21 : x
  2. Step 2: Convert to fraction form
    21,058.26/29,098.89 = 20,033.21/x
  3. Step 3: Cross multiply
    21,058.26x = 29,098.89 × 20,033.21
  4. Step 4: Simplify right side
    21,058.26x = 582,944,028.64
  5. Step 5: Solve for x
    x = 582,944,028.64/21,058.26
  6. Step 6: Final answer
    x = 27,682.44

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1.5x scale

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.