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Finding the Fourth Proportional to 27,452.40, 41,081.40 and 18,704.40

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Solution

The fourth proportional to 27,452.40, 41,081.40 and 18,704.40 is: 27,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,452.40 : 41,081.40 = 18,704.40 : x
  2. Step 2: Convert to fraction form
    27,452.40/41,081.40 = 18,704.40/x
  3. Step 3: Cross multiply
    27,452.40x = 41,081.40 × 18,704.40
  4. Step 4: Simplify right side
    27,452.40x = 768,402,938.16
  5. Step 5: Solve for x
    x = 768,402,938.16/27,452.40
  6. Step 6: Final answer
    x = 27,990.37

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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.