Home / 18,760.58-28,132.56-5,610.50

Finding the Fourth Proportional to 18,760.58, 28,132.56 and 5,610.50

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Solution

The fourth proportional to 18,760.58, 28,132.56 and 5,610.50 is: 8,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.58 : 28,132.56 = 5,610.50 : x
  2. Step 2: Convert to fraction form
    18,760.58/28,132.56 = 5,610.50/x
  3. Step 3: Cross multiply
    18,760.58x = 28,132.56 × 5,610.50
  4. Step 4: Simplify right side
    18,760.58x = 157,837,727.88
  5. Step 5: Solve for x
    x = 157,837,727.88/18,760.58
  6. Step 6: Final answer
    x = 8,413.26

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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.