Home / 19,119.50-28,673.77-8,028.68

Finding the Fourth Proportional to 19,119.50, 28,673.77 and 8,028.68

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Solution

The fourth proportional to 19,119.50, 28,673.77 and 8,028.68 is: 12,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.50 : 28,673.77 = 8,028.68 : x
  2. Step 2: Convert to fraction form
    19,119.50/28,673.77 = 8,028.68/x
  3. Step 3: Cross multiply
    19,119.50x = 28,673.77 × 8,028.68
  4. Step 4: Simplify right side
    19,119.50x = 230,212,523.72
  5. Step 5: Solve for x
    x = 230,212,523.72/19,119.50
  6. Step 6: Final answer
    x = 12,040.72

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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.