Home / 28,940.22-43,433.42-11,422.35

Finding the Fourth Proportional to 28,940.22, 43,433.42 and 11,422.35

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Solution

The fourth proportional to 28,940.22, 43,433.42 and 11,422.35 is: 17,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940.22 : 43,433.42 = 11,422.35 : x
  2. Step 2: Convert to fraction form
    28,940.22/43,433.42 = 11,422.35/x
  3. Step 3: Cross multiply
    28,940.22x = 43,433.42 × 11,422.35
  4. Step 4: Simplify right side
    28,940.22x = 496,111,667.83
  5. Step 5: Solve for x
    x = 496,111,667.83/28,940.22
  6. Step 6: Final answer
    x = 17,142.64

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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.