Home / 28,682.31-43,016.97-10,906.63

Finding the Fourth Proportional to 28,682.31, 43,016.97 and 10,906.63

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Solution

The fourth proportional to 28,682.31, 43,016.97 and 10,906.63 is: 16,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.31 : 43,016.97 = 10,906.63 : x
  2. Step 2: Convert to fraction form
    28,682.31/43,016.97 = 10,906.63/x
  3. Step 3: Cross multiply
    28,682.31x = 43,016.97 × 10,906.63
  4. Step 4: Simplify right side
    28,682.31x = 469,170,296.31
  5. Step 5: Solve for x
    x = 469,170,296.31/28,682.31
  6. Step 6: Final answer
    x = 16,357.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.