Home / 20,243.43-27,938.04-11,743.02

Finding the Fourth Proportional to 20,243.43, 27,938.04 and 11,743.02

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Solution

The fourth proportional to 20,243.43, 27,938.04 and 11,743.02 is: 16,206.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.43 : 27,938.04 = 11,743.02 : x
  2. Step 2: Convert to fraction form
    20,243.43/27,938.04 = 11,743.02/x
  3. Step 3: Cross multiply
    20,243.43x = 27,938.04 × 11,743.02
  4. Step 4: Simplify right side
    20,243.43x = 328,076,962.48
  5. Step 5: Solve for x
    x = 328,076,962.48/20,243.43
  6. Step 6: Final answer
    x = 16,206.59

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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.