Home / 25,727.99-38,610.43-10,947.29

Finding the Fourth Proportional to 25,727.99, 38,610.43 and 10,947.29

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Solution

The fourth proportional to 25,727.99, 38,610.43 and 10,947.29 is: 16,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.99 : 38,610.43 = 10,947.29 : x
  2. Step 2: Convert to fraction form
    25,727.99/38,610.43 = 10,947.29/x
  3. Step 3: Cross multiply
    25,727.99x = 38,610.43 × 10,947.29
  4. Step 4: Simplify right side
    25,727.99x = 422,679,353.81
  5. Step 5: Solve for x
    x = 422,679,353.81/25,727.99
  6. Step 6: Final answer
    x = 16,428.78

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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.