Home / 28,787.82-43,194.29-10,081.28

Finding the Fourth Proportional to 28,787.82, 43,194.29 and 10,081.28

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Solution

The fourth proportional to 28,787.82, 43,194.29 and 10,081.28 is: 15,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.82 : 43,194.29 = 10,081.28 : x
  2. Step 2: Convert to fraction form
    28,787.82/43,194.29 = 10,081.28/x
  3. Step 3: Cross multiply
    28,787.82x = 43,194.29 × 10,081.28
  4. Step 4: Simplify right side
    28,787.82x = 435,453,865.08
  5. Step 5: Solve for x
    x = 435,453,865.08/28,787.82
  6. Step 6: Final answer
    x = 15,126.32

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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.