Home / 28,757.62-39,682.47-16,179.94

Finding the Fourth Proportional to 28,757.62, 39,682.47 and 16,179.94

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Solution

The fourth proportional to 28,757.62, 39,682.47 and 16,179.94 is: 22,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.62 : 39,682.47 = 16,179.94 : x
  2. Step 2: Convert to fraction form
    28,757.62/39,682.47 = 16,179.94/x
  3. Step 3: Cross multiply
    28,757.62x = 39,682.47 × 16,179.94
  4. Step 4: Simplify right side
    28,757.62x = 642,059,983.65
  5. Step 5: Solve for x
    x = 642,059,983.65/28,757.62
  6. Step 6: Final answer
    x = 22,326.60

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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.