Home / 18,090.28-27,135.42-5,610

Finding the Fourth Proportional to 18,090.28, 27,135.42 and 5,610

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Solution

The fourth proportional to 18,090.28, 27,135.42 and 5,610 is: 8,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.28 : 27,135.42 = 5,610 : x
  2. Step 2: Convert to fraction form
    18,090.28/27,135.42 = 5,610/x
  3. Step 3: Cross multiply
    18,090.28x = 27,135.42 × 5,610
  4. Step 4: Simplify right side
    18,090.28x = 152,229,706.20
  5. Step 5: Solve for x
    x = 152,229,706.20/18,090.28
  6. Step 6: Final answer
    x = 8,415.00

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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.