Home / 20,270.41-27,957.78-17,442.53

Finding the Fourth Proportional to 20,270.41, 27,957.78 and 17,442.53

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Solution

The fourth proportional to 20,270.41, 27,957.78 and 17,442.53 is: 24,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.41 : 27,957.78 = 17,442.53 : x
  2. Step 2: Convert to fraction form
    20,270.41/27,957.78 = 17,442.53/x
  3. Step 3: Cross multiply
    20,270.41x = 27,957.78 × 17,442.53
  4. Step 4: Simplify right side
    20,270.41x = 487,654,211.19
  5. Step 5: Solve for x
    x = 487,654,211.19/20,270.41
  6. Step 6: Final answer
    x = 24,057.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.