Home / 19,128.06-28,687.53-8,034.96

Finding the Fourth Proportional to 19,128.06, 28,687.53 and 8,034.96

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Solution

The fourth proportional to 19,128.06, 28,687.53 and 8,034.96 is: 12,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.06 : 28,687.53 = 8,034.96 : x
  2. Step 2: Convert to fraction form
    19,128.06/28,687.53 = 8,034.96/x
  3. Step 3: Cross multiply
    19,128.06x = 28,687.53 × 8,034.96
  4. Step 4: Simplify right side
    19,128.06x = 230,503,293.76
  5. Step 5: Solve for x
    x = 230,503,293.76/19,128.06
  6. Step 6: Final answer
    x = 12,050.53

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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.