Home / 28,836.28-39,791.82-16,897.96

Finding the Fourth Proportional to 28,836.28, 39,791.82 and 16,897.96

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Solution

The fourth proportional to 28,836.28, 39,791.82 and 16,897.96 is: 23,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.28 : 39,791.82 = 16,897.96 : x
  2. Step 2: Convert to fraction form
    28,836.28/39,791.82 = 16,897.96/x
  3. Step 3: Cross multiply
    28,836.28x = 39,791.82 × 16,897.96
  4. Step 4: Simplify right side
    28,836.28x = 672,400,582.69
  5. Step 5: Solve for x
    x = 672,400,582.69/28,836.28
  6. Step 6: Final answer
    x = 23,317.87

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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.