Home / 27,654.88-41,466.48-18,900.64

Finding the Fourth Proportional to 27,654.88, 41,466.48 and 18,900.64

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Solution

The fourth proportional to 27,654.88, 41,466.48 and 18,900.64 is: 28,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,654.88 : 41,466.48 = 18,900.64 : x
  2. Step 2: Convert to fraction form
    27,654.88/41,466.48 = 18,900.64/x
  3. Step 3: Cross multiply
    27,654.88x = 41,466.48 × 18,900.64
  4. Step 4: Simplify right side
    27,654.88x = 783,743,010.55
  5. Step 5: Solve for x
    x = 783,743,010.55/27,654.88
  6. Step 6: Final answer
    x = 28,340.13

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1.5x scale

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.