Home / 28,817.02-39,768.60-16,241.50

Finding the Fourth Proportional to 28,817.02, 39,768.60 and 16,241.50

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Solution

The fourth proportional to 28,817.02, 39,768.60 and 16,241.50 is: 22,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.02 : 39,768.60 = 16,241.50 : x
  2. Step 2: Convert to fraction form
    28,817.02/39,768.60 = 16,241.50/x
  3. Step 3: Cross multiply
    28,817.02x = 39,768.60 × 16,241.50
  4. Step 4: Simplify right side
    28,817.02x = 645,901,716.90
  5. Step 5: Solve for x
    x = 645,901,716.90/28,817.02
  6. Step 6: Final answer
    x = 22,413.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.