Home / 20,092.07-27,726.75-11,139.41

Finding the Fourth Proportional to 20,092.07, 27,726.75 and 11,139.41

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Solution

The fourth proportional to 20,092.07, 27,726.75 and 11,139.41 is: 15,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.07 : 27,726.75 = 11,139.41 : x
  2. Step 2: Convert to fraction form
    20,092.07/27,726.75 = 11,139.41/x
  3. Step 3: Cross multiply
    20,092.07x = 27,726.75 × 11,139.41
  4. Step 4: Simplify right side
    20,092.07x = 308,859,497.58
  5. Step 5: Solve for x
    x = 308,859,497.58/20,092.07
  6. Step 6: Final answer
    x = 15,372.21

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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.