Home / 28,941.07-43,413.29-11,171.83

Finding the Fourth Proportional to 28,941.07, 43,413.29 and 11,171.83

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Solution

The fourth proportional to 28,941.07, 43,413.29 and 11,171.83 is: 16,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.07 : 43,413.29 = 11,171.83 : x
  2. Step 2: Convert to fraction form
    28,941.07/43,413.29 = 11,171.83/x
  3. Step 3: Cross multiply
    28,941.07x = 43,413.29 × 11,171.83
  4. Step 4: Simplify right side
    28,941.07x = 485,005,935.92
  5. Step 5: Solve for x
    x = 485,005,935.92/28,941.07
  6. Step 6: Final answer
    x = 16,758.40

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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.