Home / 28,270.44-42,413.82-8,551.88

Finding the Fourth Proportional to 28,270.44, 42,413.82 and 8,551.88

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Solution

The fourth proportional to 28,270.44, 42,413.82 and 8,551.88 is: 12,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.44 : 42,413.82 = 8,551.88 : x
  2. Step 2: Convert to fraction form
    28,270.44/42,413.82 = 8,551.88/x
  3. Step 3: Cross multiply
    28,270.44x = 42,413.82 × 8,551.88
  4. Step 4: Simplify right side
    28,270.44x = 362,717,898.98
  5. Step 5: Solve for x
    x = 362,717,898.98/28,270.44
  6. Step 6: Final answer
    x = 12,830.29

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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.