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Finding the Fourth Proportional to 26,483.87, 39,725.78 and 6,762.42

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Solution

The fourth proportional to 26,483.87, 39,725.78 and 6,762.42 is: 10,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.87 : 39,725.78 = 6,762.42 : x
  2. Step 2: Convert to fraction form
    26,483.87/39,725.78 = 6,762.42/x
  3. Step 3: Cross multiply
    26,483.87x = 39,725.78 × 6,762.42
  4. Step 4: Simplify right side
    26,483.87x = 268,642,375.38
  5. Step 5: Solve for x
    x = 268,642,375.38/26,483.87
  6. Step 6: Final answer
    x = 10,143.62

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1.5x scale

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.