Home / 27,935.85-41,905.80-16,818.60

Finding the Fourth Proportional to 27,935.85, 41,905.80 and 16,818.60

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Solution

The fourth proportional to 27,935.85, 41,905.80 and 16,818.60 is: 25,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.85 : 41,905.80 = 16,818.60 : x
  2. Step 2: Convert to fraction form
    27,935.85/41,905.80 = 16,818.60/x
  3. Step 3: Cross multiply
    27,935.85x = 41,905.80 × 16,818.60
  4. Step 4: Simplify right side
    27,935.85x = 704,796,887.88
  5. Step 5: Solve for x
    x = 704,796,887.88/27,935.85
  6. Step 6: Final answer
    x = 25,229.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.