Home / 18,989.07-28,481.15-5,841.15

Finding the Fourth Proportional to 18,989.07, 28,481.15 and 5,841.15

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Solution

The fourth proportional to 18,989.07, 28,481.15 and 5,841.15 is: 8,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.07 : 28,481.15 = 5,841.15 : x
  2. Step 2: Convert to fraction form
    18,989.07/28,481.15 = 5,841.15/x
  3. Step 3: Cross multiply
    18,989.07x = 28,481.15 × 5,841.15
  4. Step 4: Simplify right side
    18,989.07x = 166,362,497.71
  5. Step 5: Solve for x
    x = 166,362,497.71/18,989.07
  6. Step 6: Final answer
    x = 8,760.96

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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.