Home / 28,949.40-43,497-18,424.26

Finding the Fourth Proportional to 28,949.40, 43,497 and 18,424.26

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Solution

The fourth proportional to 28,949.40, 43,497 and 18,424.26 is: 27,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949.40 : 43,497 = 18,424.26 : x
  2. Step 2: Convert to fraction form
    28,949.40/43,497 = 18,424.26/x
  3. Step 3: Cross multiply
    28,949.40x = 43,497 × 18,424.26
  4. Step 4: Simplify right side
    28,949.40x = 801,400,037.22
  5. Step 5: Solve for x
    x = 801,400,037.22/28,949.40
  6. Step 6: Final answer
    x = 27,682.79

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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.