Home / 26,660.74-39,995.20-10,021.92

Finding the Fourth Proportional to 26,660.74, 39,995.20 and 10,021.92

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Solution

The fourth proportional to 26,660.74, 39,995.20 and 10,021.92 is: 15,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.74 : 39,995.20 = 10,021.92 : x
  2. Step 2: Convert to fraction form
    26,660.74/39,995.20 = 10,021.92/x
  3. Step 3: Cross multiply
    26,660.74x = 39,995.20 × 10,021.92
  4. Step 4: Simplify right side
    26,660.74x = 400,828,819.71
  5. Step 5: Solve for x
    x = 400,828,819.71/26,660.74
  6. Step 6: Final answer
    x = 15,034.42

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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.