Home / 18,548.34-27,773.76-15,579.49

Finding the Fourth Proportional to 18,548.34, 27,773.76 and 15,579.49

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Solution

The fourth proportional to 18,548.34, 27,773.76 and 15,579.49 is: 23,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.34 : 27,773.76 = 15,579.49 : x
  2. Step 2: Convert to fraction form
    18,548.34/27,773.76 = 15,579.49/x
  3. Step 3: Cross multiply
    18,548.34x = 27,773.76 × 15,579.49
  4. Step 4: Simplify right side
    18,548.34x = 432,701,013.43
  5. Step 5: Solve for x
    x = 432,701,013.43/18,548.34
  6. Step 6: Final answer
    x = 23,328.29

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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.