Home / 10,028.68-15,043.50-3,788.20

Finding the Fourth Proportional to 10,028.68, 15,043.50 and 3,788.20

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Solution

The fourth proportional to 10,028.68, 15,043.50 and 3,788.20 is: 5,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.68 : 15,043.50 = 3,788.20 : x
  2. Step 2: Convert to fraction form
    10,028.68/15,043.50 = 3,788.20/x
  3. Step 3: Cross multiply
    10,028.68x = 15,043.50 × 3,788.20
  4. Step 4: Simplify right side
    10,028.68x = 56,987,786.70
  5. Step 5: Solve for x
    x = 56,987,786.70/10,028.68
  6. Step 6: Final answer
    x = 5,682.48

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1.5x scale

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.