Home / 10,424.28-15,635.99-3,028.59

Finding the Fourth Proportional to 10,424.28, 15,635.99 and 3,028.59

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Solution

The fourth proportional to 10,424.28, 15,635.99 and 3,028.59 is: 4,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.28 : 15,635.99 = 3,028.59 : x
  2. Step 2: Convert to fraction form
    10,424.28/15,635.99 = 3,028.59/x
  3. Step 3: Cross multiply
    10,424.28x = 15,635.99 × 3,028.59
  4. Step 4: Simplify right side
    10,424.28x = 47,354,987.81
  5. Step 5: Solve for x
    x = 47,354,987.81/10,424.28
  6. Step 6: Final answer
    x = 4,542.76

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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.