Home / 28,839.21-39,798.23-16,092.95

Finding the Fourth Proportional to 28,839.21, 39,798.23 and 16,092.95

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Solution

The fourth proportional to 28,839.21, 39,798.23 and 16,092.95 is: 22,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.21 : 39,798.23 = 16,092.95 : x
  2. Step 2: Convert to fraction form
    28,839.21/39,798.23 = 16,092.95/x
  3. Step 3: Cross multiply
    28,839.21x = 39,798.23 × 16,092.95
  4. Step 4: Simplify right side
    28,839.21x = 640,470,646.02
  5. Step 5: Solve for x
    x = 640,470,646.02/28,839.21
  6. Step 6: Final answer
    x = 22,208.33

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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.