Home / 28,735.48-43,101.96-11,866.60

Finding the Fourth Proportional to 28,735.48, 43,101.96 and 11,866.60

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Solution

The fourth proportional to 28,735.48, 43,101.96 and 11,866.60 is: 17,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.48 : 43,101.96 = 11,866.60 : x
  2. Step 2: Convert to fraction form
    28,735.48/43,101.96 = 11,866.60/x
  3. Step 3: Cross multiply
    28,735.48x = 43,101.96 × 11,866.60
  4. Step 4: Simplify right side
    28,735.48x = 511,473,718.54
  5. Step 5: Solve for x
    x = 511,473,718.54/28,735.48
  6. Step 6: Final answer
    x = 17,799.38

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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.