Home / 27,148.43-40,729.03-8,427.51

Finding the Fourth Proportional to 27,148.43, 40,729.03 and 8,427.51

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Solution

The fourth proportional to 27,148.43, 40,729.03 and 8,427.51 is: 12,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.43 : 40,729.03 = 8,427.51 : x
  2. Step 2: Convert to fraction form
    27,148.43/40,729.03 = 8,427.51/x
  3. Step 3: Cross multiply
    27,148.43x = 40,729.03 × 8,427.51
  4. Step 4: Simplify right side
    27,148.43x = 343,244,286.55
  5. Step 5: Solve for x
    x = 343,244,286.55/27,148.43
  6. Step 6: Final answer
    x = 12,643.25

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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.