Home / 38,178.88-57,276.55-11,522.64

Finding the Fourth Proportional to 38,178.88, 57,276.55 and 11,522.64

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Solution

The fourth proportional to 38,178.88, 57,276.55 and 11,522.64 is: 17,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.88 : 57,276.55 = 11,522.64 : x
  2. Step 2: Convert to fraction form
    38,178.88/57,276.55 = 11,522.64/x
  3. Step 3: Cross multiply
    38,178.88x = 57,276.55 × 11,522.64
  4. Step 4: Simplify right side
    38,178.88x = 659,977,066.09
  5. Step 5: Solve for x
    x = 659,977,066.09/38,178.88
  6. Step 6: Final answer
    x = 17,286.44

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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.