Home / 28,174.23-38,932.25-20,203.83

Finding the Fourth Proportional to 28,174.23, 38,932.25 and 20,203.83

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Solution

The fourth proportional to 28,174.23, 38,932.25 and 20,203.83 is: 27,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174.23 : 38,932.25 = 20,203.83 : x
  2. Step 2: Convert to fraction form
    28,174.23/38,932.25 = 20,203.83/x
  3. Step 3: Cross multiply
    28,174.23x = 38,932.25 × 20,203.83
  4. Step 4: Simplify right side
    28,174.23x = 786,580,459.50
  5. Step 5: Solve for x
    x = 786,580,459.50/28,174.23
  6. Step 6: Final answer
    x = 27,918.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.