Home / 30,286.52-41,790.41-16,857.43

Finding the Fourth Proportional to 30,286.52, 41,790.41 and 16,857.43

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Solution

The fourth proportional to 30,286.52, 41,790.41 and 16,857.43 is: 23,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.52 : 41,790.41 = 16,857.43 : x
  2. Step 2: Convert to fraction form
    30,286.52/41,790.41 = 16,857.43/x
  3. Step 3: Cross multiply
    30,286.52x = 41,790.41 × 16,857.43
  4. Step 4: Simplify right side
    30,286.52x = 704,478,722.48
  5. Step 5: Solve for x
    x = 704,478,722.48/30,286.52
  6. Step 6: Final answer
    x = 23,260.47

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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.