Home / 57,982.37-86,984.49-18,528.89

Finding the Fourth Proportional to 57,982.37, 86,984.49 and 18,528.89

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Solution

The fourth proportional to 57,982.37, 86,984.49 and 18,528.89 is: 27,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,982.37 : 86,984.49 = 18,528.89 : x
  2. Step 2: Convert to fraction form
    57,982.37/86,984.49 = 18,528.89/x
  3. Step 3: Cross multiply
    57,982.37x = 86,984.49 × 18,528.89
  4. Step 4: Simplify right side
    57,982.37x = 1,611,726,046.92
  5. Step 5: Solve for x
    x = 1,611,726,046.92/57,982.37
  6. Step 6: Final answer
    x = 27,796.83

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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.