Home / 27,631.21-41,452.71-8,912.30

Finding the Fourth Proportional to 27,631.21, 41,452.71 and 8,912.30

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Solution

The fourth proportional to 27,631.21, 41,452.71 and 8,912.30 is: 13,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.21 : 41,452.71 = 8,912.30 : x
  2. Step 2: Convert to fraction form
    27,631.21/41,452.71 = 8,912.30/x
  3. Step 3: Cross multiply
    27,631.21x = 41,452.71 × 8,912.30
  4. Step 4: Simplify right side
    27,631.21x = 369,438,987.33
  5. Step 5: Solve for x
    x = 369,438,987.33/27,631.21
  6. Step 6: Final answer
    x = 13,370.35

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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.