Home / 19,201.24-28,768.65-18,741.97

Finding the Fourth Proportional to 19,201.24, 28,768.65 and 18,741.97

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Solution

The fourth proportional to 19,201.24, 28,768.65 and 18,741.97 is: 28,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.24 : 28,768.65 = 18,741.97 : x
  2. Step 2: Convert to fraction form
    19,201.24/28,768.65 = 18,741.97/x
  3. Step 3: Cross multiply
    19,201.24x = 28,768.65 × 18,741.97
  4. Step 4: Simplify right side
    19,201.24x = 539,181,175.24
  5. Step 5: Solve for x
    x = 539,181,175.24/19,201.24
  6. Step 6: Final answer
    x = 28,080.54

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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.