Home / 28,893.24-43,339.39-9,171.56

Finding the Fourth Proportional to 28,893.24, 43,339.39 and 9,171.56

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Solution

The fourth proportional to 28,893.24, 43,339.39 and 9,171.56 is: 13,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.24 : 43,339.39 = 9,171.56 : x
  2. Step 2: Convert to fraction form
    28,893.24/43,339.39 = 9,171.56/x
  3. Step 3: Cross multiply
    28,893.24x = 43,339.39 × 9,171.56
  4. Step 4: Simplify right side
    28,893.24x = 397,489,901.17
  5. Step 5: Solve for x
    x = 397,489,901.17/28,893.24
  6. Step 6: Final answer
    x = 13,757.19

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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.