Home / 10,628.92-15,942.30-2,838.52

Finding the Fourth Proportional to 10,628.92, 15,942.30 and 2,838.52

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Solution

The fourth proportional to 10,628.92, 15,942.30 and 2,838.52 is: 4,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.92 : 15,942.30 = 2,838.52 : x
  2. Step 2: Convert to fraction form
    10,628.92/15,942.30 = 2,838.52/x
  3. Step 3: Cross multiply
    10,628.92x = 15,942.30 × 2,838.52
  4. Step 4: Simplify right side
    10,628.92x = 45,252,537.40
  5. Step 5: Solve for x
    x = 45,252,537.40/10,628.92
  6. Step 6: Final answer
    x = 4,257.49

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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.