Home / 28,709.76-43,067.10-7,933.26

Finding the Fourth Proportional to 28,709.76, 43,067.10 and 7,933.26

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Solution

The fourth proportional to 28,709.76, 43,067.10 and 7,933.26 is: 11,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.76 : 43,067.10 = 7,933.26 : x
  2. Step 2: Convert to fraction form
    28,709.76/43,067.10 = 7,933.26/x
  3. Step 3: Cross multiply
    28,709.76x = 43,067.10 × 7,933.26
  4. Step 4: Simplify right side
    28,709.76x = 341,662,501.75
  5. Step 5: Solve for x
    x = 341,662,501.75/28,709.76
  6. Step 6: Final answer
    x = 11,900.57

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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.