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Finding the Fourth Proportional to 25,165.37, 37,750.79 and 11,119.37

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Solution

The fourth proportional to 25,165.37, 37,750.79 and 11,119.37 is: 16,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.37 : 37,750.79 = 11,119.37 : x
  2. Step 2: Convert to fraction form
    25,165.37/37,750.79 = 11,119.37/x
  3. Step 3: Cross multiply
    25,165.37x = 37,750.79 × 11,119.37
  4. Step 4: Simplify right side
    25,165.37x = 419,764,757.45
  5. Step 5: Solve for x
    x = 419,764,757.45/25,165.37
  6. Step 6: Final answer
    x = 16,680.26

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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.