Home / 28,343.83-42,531.41-11,699.97

Finding the Fourth Proportional to 28,343.83, 42,531.41 and 11,699.97

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Solution

The fourth proportional to 28,343.83, 42,531.41 and 11,699.97 is: 17,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343.83 : 42,531.41 = 11,699.97 : x
  2. Step 2: Convert to fraction form
    28,343.83/42,531.41 = 11,699.97/x
  3. Step 3: Cross multiply
    28,343.83x = 42,531.41 × 11,699.97
  4. Step 4: Simplify right side
    28,343.83x = 497,616,250.31
  5. Step 5: Solve for x
    x = 497,616,250.31/28,343.83
  6. Step 6: Final answer
    x = 17,556.42

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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.