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Finding the Fourth Proportional to 38,080.64, 57,153.77 and 18,375.77

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Solution

The fourth proportional to 38,080.64, 57,153.77 and 18,375.77 is: 27,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080.64 : 57,153.77 = 18,375.77 : x
  2. Step 2: Convert to fraction form
    38,080.64/57,153.77 = 18,375.77/x
  3. Step 3: Cross multiply
    38,080.64x = 57,153.77 × 18,375.77
  4. Step 4: Simplify right side
    38,080.64x = 1,050,244,720.98
  5. Step 5: Solve for x
    x = 1,050,244,720.98/38,080.64
  6. Step 6: Final answer
    x = 27,579.49

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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.