Home / 28,816.25-43,213.97-12,177.57

Finding the Fourth Proportional to 28,816.25, 43,213.97 and 12,177.57

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Solution

The fourth proportional to 28,816.25, 43,213.97 and 12,177.57 is: 18,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.25 : 43,213.97 = 12,177.57 : x
  2. Step 2: Convert to fraction form
    28,816.25/43,213.97 = 12,177.57/x
  3. Step 3: Cross multiply
    28,816.25x = 43,213.97 × 12,177.57
  4. Step 4: Simplify right side
    28,816.25x = 526,241,144.65
  5. Step 5: Solve for x
    x = 526,241,144.65/28,816.25
  6. Step 6: Final answer
    x = 18,261.96

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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.