Home / 19,004.15-28,520.82-18,028.54

Finding the Fourth Proportional to 19,004.15, 28,520.82 and 18,028.54

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Solution

The fourth proportional to 19,004.15, 28,520.82 and 18,028.54 is: 27,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.15 : 28,520.82 = 18,028.54 : x
  2. Step 2: Convert to fraction form
    19,004.15/28,520.82 = 18,028.54/x
  3. Step 3: Cross multiply
    19,004.15x = 28,520.82 × 18,028.54
  4. Step 4: Simplify right side
    19,004.15x = 514,188,744.20
  5. Step 5: Solve for x
    x = 514,188,744.20/19,004.15
  6. Step 6: Final answer
    x = 27,056.66

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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.