Home / 28,933.35-43,399.71-21,956.21

Finding the Fourth Proportional to 28,933.35, 43,399.71 and 21,956.21

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Solution

The fourth proportional to 28,933.35, 43,399.71 and 21,956.21 is: 32,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.35 : 43,399.71 = 21,956.21 : x
  2. Step 2: Convert to fraction form
    28,933.35/43,399.71 = 21,956.21/x
  3. Step 3: Cross multiply
    28,933.35x = 43,399.71 × 21,956.21
  4. Step 4: Simplify right side
    28,933.35x = 952,893,092.45
  5. Step 5: Solve for x
    x = 952,893,092.45/28,933.35
  6. Step 6: Final answer
    x = 32,934.08

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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.