Home / 10,028.48-15,039.42-3,454.52

Finding the Fourth Proportional to 10,028.48, 15,039.42 and 3,454.52

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Solution

The fourth proportional to 10,028.48, 15,039.42 and 3,454.52 is: 5,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.48 : 15,039.42 = 3,454.52 : x
  2. Step 2: Convert to fraction form
    10,028.48/15,039.42 = 3,454.52/x
  3. Step 3: Cross multiply
    10,028.48x = 15,039.42 × 3,454.52
  4. Step 4: Simplify right side
    10,028.48x = 51,953,977.18
  5. Step 5: Solve for x
    x = 51,953,977.18/10,028.48
  6. Step 6: Final answer
    x = 5,180.64

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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.