Home / 20,476.44-28,257.39-11,524.08

Finding the Fourth Proportional to 20,476.44, 28,257.39 and 11,524.08

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Solution

The fourth proportional to 20,476.44, 28,257.39 and 11,524.08 is: 15,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476.44 : 28,257.39 = 11,524.08 : x
  2. Step 2: Convert to fraction form
    20,476.44/28,257.39 = 11,524.08/x
  3. Step 3: Cross multiply
    20,476.44x = 28,257.39 × 11,524.08
  4. Step 4: Simplify right side
    20,476.44x = 325,640,422.95
  5. Step 5: Solve for x
    x = 325,640,422.95/20,476.44
  6. Step 6: Final answer
    x = 15,903.18

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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.