Home / 20,604.52-28,413.30-17,630.20

Finding the Fourth Proportional to 20,604.52, 28,413.30 and 17,630.20

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Solution

The fourth proportional to 20,604.52, 28,413.30 and 17,630.20 is: 24,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.52 : 28,413.30 = 17,630.20 : x
  2. Step 2: Convert to fraction form
    20,604.52/28,413.30 = 17,630.20/x
  3. Step 3: Cross multiply
    20,604.52x = 28,413.30 × 17,630.20
  4. Step 4: Simplify right side
    20,604.52x = 500,932,161.66
  5. Step 5: Solve for x
    x = 500,932,161.66/20,604.52
  6. Step 6: Final answer
    x = 24,311.76

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1.5x scale

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.