Home / 28,787.60-43,193.94-10,081.07

Finding the Fourth Proportional to 28,787.60, 43,193.94 and 10,081.07

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Solution

The fourth proportional to 28,787.60, 43,193.94 and 10,081.07 is: 15,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.60 : 43,193.94 = 10,081.07 : x
  2. Step 2: Convert to fraction form
    28,787.60/43,193.94 = 10,081.07/x
  3. Step 3: Cross multiply
    28,787.60x = 43,193.94 × 10,081.07
  4. Step 4: Simplify right side
    28,787.60x = 435,441,132.72
  5. Step 5: Solve for x
    x = 435,441,132.72/28,787.60
  6. Step 6: Final answer
    x = 15,126.00

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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.