Home / 28,936.64-43,322.80-19,046.08

Finding the Fourth Proportional to 28,936.64, 43,322.80 and 19,046.08

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Solution

The fourth proportional to 28,936.64, 43,322.80 and 19,046.08 is: 28,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.64 : 43,322.80 = 19,046.08 : x
  2. Step 2: Convert to fraction form
    28,936.64/43,322.80 = 19,046.08/x
  3. Step 3: Cross multiply
    28,936.64x = 43,322.80 × 19,046.08
  4. Step 4: Simplify right side
    28,936.64x = 825,129,514.62
  5. Step 5: Solve for x
    x = 825,129,514.62/28,936.64
  6. Step 6: Final answer
    x = 28,515.04

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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.