Home / 30,286.89-41,795.21-16,857.32

Finding the Fourth Proportional to 30,286.89, 41,795.21 and 16,857.32

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Solution

The fourth proportional to 30,286.89, 41,795.21 and 16,857.32 is: 23,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.89 : 41,795.21 = 16,857.32 : x
  2. Step 2: Convert to fraction form
    30,286.89/41,795.21 = 16,857.32/x
  3. Step 3: Cross multiply
    30,286.89x = 41,795.21 × 16,857.32
  4. Step 4: Simplify right side
    30,286.89x = 704,555,062.60
  5. Step 5: Solve for x
    x = 704,555,062.60/30,286.89
  6. Step 6: Final answer
    x = 23,262.71

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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.