Home / 10,267.92-15,402.81-2,872.50

Finding the Fourth Proportional to 10,267.92, 15,402.81 and 2,872.50

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Solution

The fourth proportional to 10,267.92, 15,402.81 and 2,872.50 is: 4,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.92 : 15,402.81 = 2,872.50 : x
  2. Step 2: Convert to fraction form
    10,267.92/15,402.81 = 2,872.50/x
  3. Step 3: Cross multiply
    10,267.92x = 15,402.81 × 2,872.50
  4. Step 4: Simplify right side
    10,267.92x = 44,244,571.73
  5. Step 5: Solve for x
    x = 44,244,571.73/10,267.92
  6. Step 6: Final answer
    x = 4,309.01

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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.