Home / 20,550.15-30,827.05-5,759.25

Finding the Fourth Proportional to 20,550.15, 30,827.05 and 5,759.25

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Solution

The fourth proportional to 20,550.15, 30,827.05 and 5,759.25 is: 8,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.15 : 30,827.05 = 5,759.25 : x
  2. Step 2: Convert to fraction form
    20,550.15/30,827.05 = 5,759.25/x
  3. Step 3: Cross multiply
    20,550.15x = 30,827.05 × 5,759.25
  4. Step 4: Simplify right side
    20,550.15x = 177,540,702.11
  5. Step 5: Solve for x
    x = 177,540,702.11/20,550.15
  6. Step 6: Final answer
    x = 8,639.39

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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.