Home / 28,743.33-43,117.15-7,682.89

Finding the Fourth Proportional to 28,743.33, 43,117.15 and 7,682.89

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Solution

The fourth proportional to 28,743.33, 43,117.15 and 7,682.89 is: 11,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.33 : 43,117.15 = 7,682.89 : x
  2. Step 2: Convert to fraction form
    28,743.33/43,117.15 = 7,682.89/x
  3. Step 3: Cross multiply
    28,743.33x = 43,117.15 × 7,682.89
  4. Step 4: Simplify right side
    28,743.33x = 331,264,320.56
  5. Step 5: Solve for x
    x = 331,264,320.56/28,743.33
  6. Step 6: Final answer
    x = 11,524.91

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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.