Home / 28,404.95-39,198.92-17,080.94

Finding the Fourth Proportional to 28,404.95, 39,198.92 and 17,080.94

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Solution

The fourth proportional to 28,404.95, 39,198.92 and 17,080.94 is: 23,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.95 : 39,198.92 = 17,080.94 : x
  2. Step 2: Convert to fraction form
    28,404.95/39,198.92 = 17,080.94/x
  3. Step 3: Cross multiply
    28,404.95x = 39,198.92 × 17,080.94
  4. Step 4: Simplify right side
    28,404.95x = 669,554,413.18
  5. Step 5: Solve for x
    x = 669,554,413.18/28,404.95
  6. Step 6: Final answer
    x = 23,571.76

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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.