Home / 26,979.45-37,231.68-15,043.55

Finding the Fourth Proportional to 26,979.45, 37,231.68 and 15,043.55

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Solution

The fourth proportional to 26,979.45, 37,231.68 and 15,043.55 is: 20,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.45 : 37,231.68 = 15,043.55 : x
  2. Step 2: Convert to fraction form
    26,979.45/37,231.68 = 15,043.55/x
  3. Step 3: Cross multiply
    26,979.45x = 37,231.68 × 15,043.55
  4. Step 4: Simplify right side
    26,979.45x = 560,096,509.92
  5. Step 5: Solve for x
    x = 560,096,509.92/26,979.45
  6. Step 6: Final answer
    x = 20,760.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.