Home / 25,787.56-38,694.51-12,293.98

Finding the Fourth Proportional to 25,787.56, 38,694.51 and 12,293.98

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Solution

The fourth proportional to 25,787.56, 38,694.51 and 12,293.98 is: 18,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,787.56 : 38,694.51 = 12,293.98 : x
  2. Step 2: Convert to fraction form
    25,787.56/38,694.51 = 12,293.98/x
  3. Step 3: Cross multiply
    25,787.56x = 38,694.51 × 12,293.98
  4. Step 4: Simplify right side
    25,787.56x = 475,709,532.05
  5. Step 5: Solve for x
    x = 475,709,532.05/25,787.56
  6. Step 6: Final answer
    x = 18,447.25

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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.