Home / 18,982.80-28,474.65-5,835.29

Finding the Fourth Proportional to 18,982.80, 28,474.65 and 5,835.29

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Solution

The fourth proportional to 18,982.80, 28,474.65 and 5,835.29 is: 8,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.80 : 28,474.65 = 5,835.29 : x
  2. Step 2: Convert to fraction form
    18,982.80/28,474.65 = 5,835.29/x
  3. Step 3: Cross multiply
    18,982.80x = 28,474.65 × 5,835.29
  4. Step 4: Simplify right side
    18,982.80x = 166,157,698.03
  5. Step 5: Solve for x
    x = 166,157,698.03/18,982.80
  6. Step 6: Final answer
    x = 8,753.07

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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.