Home / 28,413.45-42,610.82-9,433.71

Finding the Fourth Proportional to 28,413.45, 42,610.82 and 9,433.71

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Solution

The fourth proportional to 28,413.45, 42,610.82 and 9,433.71 is: 14,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.45 : 42,610.82 = 9,433.71 : x
  2. Step 2: Convert to fraction form
    28,413.45/42,610.82 = 9,433.71/x
  3. Step 3: Cross multiply
    28,413.45x = 42,610.82 × 9,433.71
  4. Step 4: Simplify right side
    28,413.45x = 401,978,071.57
  5. Step 5: Solve for x
    x = 401,978,071.57/28,413.45
  6. Step 6: Final answer
    x = 14,147.46

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1.5x scale

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.