Home / 38,175.88-57,284.22-28,751.08

Finding the Fourth Proportional to 38,175.88, 57,284.22 and 28,751.08

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Solution

The fourth proportional to 38,175.88, 57,284.22 and 28,751.08 is: 43,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.88 : 57,284.22 = 28,751.08 : x
  2. Step 2: Convert to fraction form
    38,175.88/57,284.22 = 28,751.08/x
  3. Step 3: Cross multiply
    38,175.88x = 57,284.22 × 28,751.08
  4. Step 4: Simplify right side
    38,175.88x = 1,646,983,191.96
  5. Step 5: Solve for x
    x = 1,646,983,191.96/38,175.88
  6. Step 6: Final answer
    x = 43,141.98

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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.