Home / 28,941.16-43,413.42-11,171.91

Finding the Fourth Proportional to 28,941.16, 43,413.42 and 11,171.91

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Solution

The fourth proportional to 28,941.16, 43,413.42 and 11,171.91 is: 16,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.16 : 43,413.42 = 11,171.91 : x
  2. Step 2: Convert to fraction form
    28,941.16/43,413.42 = 11,171.91/x
  3. Step 3: Cross multiply
    28,941.16x = 43,413.42 × 11,171.91
  4. Step 4: Simplify right side
    28,941.16x = 485,010,548.11
  5. Step 5: Solve for x
    x = 485,010,548.11/28,941.16
  6. Step 6: Final answer
    x = 16,758.51

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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.