Home / 20,028.52-27,641.82-11,645.02

Finding the Fourth Proportional to 20,028.52, 27,641.82 and 11,645.02

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Solution

The fourth proportional to 20,028.52, 27,641.82 and 11,645.02 is: 16,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.52 : 27,641.82 = 11,645.02 : x
  2. Step 2: Convert to fraction form
    20,028.52/27,641.82 = 11,645.02/x
  3. Step 3: Cross multiply
    20,028.52x = 27,641.82 × 11,645.02
  4. Step 4: Simplify right side
    20,028.52x = 321,889,546.74
  5. Step 5: Solve for x
    x = 321,889,546.74/20,028.52
  6. Step 6: Final answer
    x = 16,071.56

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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.