Home / 28,286.94-39,042.99-16,357.19

Finding the Fourth Proportional to 28,286.94, 39,042.99 and 16,357.19

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Solution

The fourth proportional to 28,286.94, 39,042.99 and 16,357.19 is: 22,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.94 : 39,042.99 = 16,357.19 : x
  2. Step 2: Convert to fraction form
    28,286.94/39,042.99 = 16,357.19/x
  3. Step 3: Cross multiply
    28,286.94x = 39,042.99 × 16,357.19
  4. Step 4: Simplify right side
    28,286.94x = 638,633,467.10
  5. Step 5: Solve for x
    x = 638,633,467.10/28,286.94
  6. Step 6: Final answer
    x = 22,576.98

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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.