Home / 38,687.83-57,957.02-28,538.33

Finding the Fourth Proportional to 38,687.83, 57,957.02 and 28,538.33

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Solution

The fourth proportional to 38,687.83, 57,957.02 and 28,538.33 is: 42,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.83 : 57,957.02 = 28,538.33 : x
  2. Step 2: Convert to fraction form
    38,687.83/57,957.02 = 28,538.33/x
  3. Step 3: Cross multiply
    38,687.83x = 57,957.02 × 28,538.33
  4. Step 4: Simplify right side
    38,687.83x = 1,653,996,480.39
  5. Step 5: Solve for x
    x = 1,653,996,480.39/38,687.83
  6. Step 6: Final answer
    x = 42,752.37

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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.