Home / 20,741.94-28,624.05-11,310.48

Finding the Fourth Proportional to 20,741.94, 28,624.05 and 11,310.48

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Solution

The fourth proportional to 20,741.94, 28,624.05 and 11,310.48 is: 15,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.94 : 28,624.05 = 11,310.48 : x
  2. Step 2: Convert to fraction form
    20,741.94/28,624.05 = 11,310.48/x
  3. Step 3: Cross multiply
    20,741.94x = 28,624.05 × 11,310.48
  4. Step 4: Simplify right side
    20,741.94x = 323,751,745.04
  5. Step 5: Solve for x
    x = 323,751,745.04/20,741.94
  6. Step 6: Final answer
    x = 15,608.56

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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.