Home / 28,710.26-43,067.85-7,933.76

Finding the Fourth Proportional to 28,710.26, 43,067.85 and 7,933.76

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Solution

The fourth proportional to 28,710.26, 43,067.85 and 7,933.76 is: 11,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710.26 : 43,067.85 = 7,933.76 : x
  2. Step 2: Convert to fraction form
    28,710.26/43,067.85 = 7,933.76/x
  3. Step 3: Cross multiply
    28,710.26x = 43,067.85 × 7,933.76
  4. Step 4: Simplify right side
    28,710.26x = 341,689,985.62
  5. Step 5: Solve for x
    x = 341,689,985.62/28,710.26
  6. Step 6: Final answer
    x = 11,901.32

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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.