Home / 27,274.42-40,892.70-13,921.48

Finding the Fourth Proportional to 27,274.42, 40,892.70 and 13,921.48

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Solution

The fourth proportional to 27,274.42, 40,892.70 and 13,921.48 is: 20,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.42 : 40,892.70 = 13,921.48 : x
  2. Step 2: Convert to fraction form
    27,274.42/40,892.70 = 13,921.48/x
  3. Step 3: Cross multiply
    27,274.42x = 40,892.70 × 13,921.48
  4. Step 4: Simplify right side
    27,274.42x = 569,286,905.20
  5. Step 5: Solve for x
    x = 569,286,905.20/27,274.42
  6. Step 6: Final answer
    x = 20,872.56

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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.