Home / 20,058.26-27,680.62-11,105.92

Finding the Fourth Proportional to 20,058.26, 27,680.62 and 11,105.92

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Solution

The fourth proportional to 20,058.26, 27,680.62 and 11,105.92 is: 15,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.26 : 27,680.62 = 11,105.92 : x
  2. Step 2: Convert to fraction form
    20,058.26/27,680.62 = 11,105.92/x
  3. Step 3: Cross multiply
    20,058.26x = 27,680.62 × 11,105.92
  4. Step 4: Simplify right side
    20,058.26x = 307,418,723.51
  5. Step 5: Solve for x
    x = 307,418,723.51/20,058.26
  6. Step 6: Final answer
    x = 15,326.29

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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.