Home / 28,825.18-39,788.67-16,892.38

Finding the Fourth Proportional to 28,825.18, 39,788.67 and 16,892.38

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Solution

The fourth proportional to 28,825.18, 39,788.67 and 16,892.38 is: 23,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.18 : 39,788.67 = 16,892.38 : x
  2. Step 2: Convert to fraction form
    28,825.18/39,788.67 = 16,892.38/x
  3. Step 3: Cross multiply
    28,825.18x = 39,788.67 × 16,892.38
  4. Step 4: Simplify right side
    28,825.18x = 672,125,333.33
  5. Step 5: Solve for x
    x = 672,125,333.33/28,825.18
  6. Step 6: Final answer
    x = 23,317.30

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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.