Home / 28,764.41-43,138.59-12,114.65

Finding the Fourth Proportional to 28,764.41, 43,138.59 and 12,114.65

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Solution

The fourth proportional to 28,764.41, 43,138.59 and 12,114.65 is: 18,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.41 : 43,138.59 = 12,114.65 : x
  2. Step 2: Convert to fraction form
    28,764.41/43,138.59 = 12,114.65/x
  3. Step 3: Cross multiply
    28,764.41x = 43,138.59 × 12,114.65
  4. Step 4: Simplify right side
    28,764.41x = 522,608,703.65
  5. Step 5: Solve for x
    x = 522,608,703.65/28,764.41
  6. Step 6: Final answer
    x = 18,168.59

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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.