Home / 28,067.70-38,733.38-15,492.44

Finding the Fourth Proportional to 28,067.70, 38,733.38 and 15,492.44

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Solution

The fourth proportional to 28,067.70, 38,733.38 and 15,492.44 is: 21,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.70 : 38,733.38 = 15,492.44 : x
  2. Step 2: Convert to fraction form
    28,067.70/38,733.38 = 15,492.44/x
  3. Step 3: Cross multiply
    28,067.70x = 38,733.38 × 15,492.44
  4. Step 4: Simplify right side
    28,067.70x = 600,074,565.65
  5. Step 5: Solve for x
    x = 600,074,565.65/28,067.70
  6. Step 6: Final answer
    x = 21,379.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.