Home / 28,648.10-43,004.55-22,103.30

Finding the Fourth Proportional to 28,648.10, 43,004.55 and 22,103.30

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Solution

The fourth proportional to 28,648.10, 43,004.55 and 22,103.30 is: 33,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.10 : 43,004.55 = 22,103.30 : x
  2. Step 2: Convert to fraction form
    28,648.10/43,004.55 = 22,103.30/x
  3. Step 3: Cross multiply
    28,648.10x = 43,004.55 × 22,103.30
  4. Step 4: Simplify right side
    28,648.10x = 950,542,470.02
  5. Step 5: Solve for x
    x = 950,542,470.02/28,648.10
  6. Step 6: Final answer
    x = 33,179.95

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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.