Home / 28,940.39-43,292.16-21,867.83

Finding the Fourth Proportional to 28,940.39, 43,292.16 and 21,867.83

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Solution

The fourth proportional to 28,940.39, 43,292.16 and 21,867.83 is: 32,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.39 : 43,292.16 = 21,867.83 : x
  2. Step 2: Convert to fraction form
    28,940.39/43,292.16 = 21,867.83/x
  3. Step 3: Cross multiply
    28,940.39x = 43,292.16 × 21,867.83
  4. Step 4: Simplify right side
    28,940.39x = 946,705,378.75
  5. Step 5: Solve for x
    x = 946,705,378.75/28,940.39
  6. Step 6: Final answer
    x = 32,712.26

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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.