Home / 29,562.54-40,780.44-19,989.87

Finding the Fourth Proportional to 29,562.54, 40,780.44 and 19,989.87

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Solution

The fourth proportional to 29,562.54, 40,780.44 and 19,989.87 is: 27,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,562.54 : 40,780.44 = 19,989.87 : x
  2. Step 2: Convert to fraction form
    29,562.54/40,780.44 = 19,989.87/x
  3. Step 3: Cross multiply
    29,562.54x = 40,780.44 × 19,989.87
  4. Step 4: Simplify right side
    29,562.54x = 815,195,694.14
  5. Step 5: Solve for x
    x = 815,195,694.14/29,562.54
  6. Step 6: Final answer
    x = 27,575.29

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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.