Home / 28,986.08-40,000.94-16,413.28

Finding the Fourth Proportional to 28,986.08, 40,000.94 and 16,413.28

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Solution

The fourth proportional to 28,986.08, 40,000.94 and 16,413.28 is: 22,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.08 : 40,000.94 = 16,413.28 : x
  2. Step 2: Convert to fraction form
    28,986.08/40,000.94 = 16,413.28/x
  3. Step 3: Cross multiply
    28,986.08x = 40,000.94 × 16,413.28
  4. Step 4: Simplify right side
    28,986.08x = 656,546,628.48
  5. Step 5: Solve for x
    x = 656,546,628.48/28,986.08
  6. Step 6: Final answer
    x = 22,650.41

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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.