Home / 19,728.41-27,224.82-10,775.97

Finding the Fourth Proportional to 19,728.41, 27,224.82 and 10,775.97

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Solution

The fourth proportional to 19,728.41, 27,224.82 and 10,775.97 is: 14,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.41 : 27,224.82 = 10,775.97 : x
  2. Step 2: Convert to fraction form
    19,728.41/27,224.82 = 10,775.97/x
  3. Step 3: Cross multiply
    19,728.41x = 27,224.82 × 10,775.97
  4. Step 4: Simplify right side
    19,728.41x = 293,373,843.58
  5. Step 5: Solve for x
    x = 293,373,843.58/19,728.41
  6. Step 6: Final answer
    x = 14,870.63

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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.