Home / 28,791.94-39,732.79-16,852.90

Finding the Fourth Proportional to 28,791.94, 39,732.79 and 16,852.90

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Solution

The fourth proportional to 28,791.94, 39,732.79 and 16,852.90 is: 23,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.94 : 39,732.79 = 16,852.90 : x
  2. Step 2: Convert to fraction form
    28,791.94/39,732.79 = 16,852.90/x
  3. Step 3: Cross multiply
    28,791.94x = 39,732.79 × 16,852.90
  4. Step 4: Simplify right side
    28,791.94x = 669,612,736.59
  5. Step 5: Solve for x
    x = 669,612,736.59/28,791.94
  6. Step 6: Final answer
    x = 23,256.95

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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.