Home / 28,802.88-43,231.31-17,731.19

Finding the Fourth Proportional to 28,802.88, 43,231.31 and 17,731.19

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Solution

The fourth proportional to 28,802.88, 43,231.31 and 17,731.19 is: 26,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.88 : 43,231.31 = 17,731.19 : x
  2. Step 2: Convert to fraction form
    28,802.88/43,231.31 = 17,731.19/x
  3. Step 3: Cross multiply
    28,802.88x = 43,231.31 × 17,731.19
  4. Step 4: Simplify right side
    28,802.88x = 766,542,571.56
  5. Step 5: Solve for x
    x = 766,542,571.56/28,802.88
  6. Step 6: Final answer
    x = 26,613.40

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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.