Home / 28,231.13-42,353.82-19,927.37

Finding the Fourth Proportional to 28,231.13, 42,353.82 and 19,927.37

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Solution

The fourth proportional to 28,231.13, 42,353.82 and 19,927.37 is: 29,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.13 : 42,353.82 = 19,927.37 : x
  2. Step 2: Convert to fraction form
    28,231.13/42,353.82 = 19,927.37/x
  3. Step 3: Cross multiply
    28,231.13x = 42,353.82 × 19,927.37
  4. Step 4: Simplify right side
    28,231.13x = 844,000,347.94
  5. Step 5: Solve for x
    x = 844,000,347.94/28,231.13
  6. Step 6: Final answer
    x = 29,896.09

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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.