Home / 28,787.41-43,192.18-10,069.39

Finding the Fourth Proportional to 28,787.41, 43,192.18 and 10,069.39

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Solution

The fourth proportional to 28,787.41, 43,192.18 and 10,069.39 is: 15,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.41 : 43,192.18 = 10,069.39 : x
  2. Step 2: Convert to fraction form
    28,787.41/43,192.18 = 10,069.39/x
  3. Step 3: Cross multiply
    28,787.41x = 43,192.18 × 10,069.39
  4. Step 4: Simplify right side
    28,787.41x = 434,918,689.41
  5. Step 5: Solve for x
    x = 434,918,689.41/28,787.41
  6. Step 6: Final answer
    x = 15,107.95

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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.