Home / 28,067.44-38,733.12-15,492.18

Finding the Fourth Proportional to 28,067.44, 38,733.12 and 15,492.18

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Solution

The fourth proportional to 28,067.44, 38,733.12 and 15,492.18 is: 21,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.44 : 38,733.12 = 15,492.18 : x
  2. Step 2: Convert to fraction form
    28,067.44/38,733.12 = 15,492.18/x
  3. Step 3: Cross multiply
    28,067.44x = 38,733.12 × 15,492.18
  4. Step 4: Simplify right side
    28,067.44x = 600,060,467.00
  5. Step 5: Solve for x
    x = 600,060,467.00/28,067.44
  6. Step 6: Final answer
    x = 21,379.24

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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.