Home / 28,950.23-39,947.96-16,204.12

Finding the Fourth Proportional to 28,950.23, 39,947.96 and 16,204.12

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Solution

The fourth proportional to 28,950.23, 39,947.96 and 16,204.12 is: 22,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.23 : 39,947.96 = 16,204.12 : x
  2. Step 2: Convert to fraction form
    28,950.23/39,947.96 = 16,204.12/x
  3. Step 3: Cross multiply
    28,950.23x = 39,947.96 × 16,204.12
  4. Step 4: Simplify right side
    28,950.23x = 647,321,456.57
  5. Step 5: Solve for x
    x = 647,321,456.57/28,950.23
  6. Step 6: Final answer
    x = 22,359.80

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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.