Home / 26,639.92-39,928.78-20,044.92

Finding the Fourth Proportional to 26,639.92, 39,928.78 and 20,044.92

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Solution

The fourth proportional to 26,639.92, 39,928.78 and 20,044.92 is: 30,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.92 : 39,928.78 = 20,044.92 : x
  2. Step 2: Convert to fraction form
    26,639.92/39,928.78 = 20,044.92/x
  3. Step 3: Cross multiply
    26,639.92x = 39,928.78 × 20,044.92
  4. Step 4: Simplify right side
    26,639.92x = 800,369,200.80
  5. Step 5: Solve for x
    x = 800,369,200.80/26,639.92
  6. Step 6: Final answer
    x = 30,043.98

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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.