Home / 28,352.63-39,121.85-16,413.91

Finding the Fourth Proportional to 28,352.63, 39,121.85 and 16,413.91

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Solution

The fourth proportional to 28,352.63, 39,121.85 and 16,413.91 is: 22,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.63 : 39,121.85 = 16,413.91 : x
  2. Step 2: Convert to fraction form
    28,352.63/39,121.85 = 16,413.91/x
  3. Step 3: Cross multiply
    28,352.63x = 39,121.85 × 16,413.91
  4. Step 4: Simplify right side
    28,352.63x = 642,142,468.16
  5. Step 5: Solve for x
    x = 642,142,468.16/28,352.63
  6. Step 6: Final answer
    x = 22,648.42

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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.