Home / 20,162.82-27,825.02-11,088.54

Finding the Fourth Proportional to 20,162.82, 27,825.02 and 11,088.54

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Solution

The fourth proportional to 20,162.82, 27,825.02 and 11,088.54 is: 15,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.82 : 27,825.02 = 11,088.54 : x
  2. Step 2: Convert to fraction form
    20,162.82/27,825.02 = 11,088.54/x
  3. Step 3: Cross multiply
    20,162.82x = 27,825.02 × 11,088.54
  4. Step 4: Simplify right side
    20,162.82x = 308,538,791.83
  5. Step 5: Solve for x
    x = 308,538,791.83/20,162.82
  6. Step 6: Final answer
    x = 15,302.36

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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.