Home / 18,298.34-27,395.21-17,135.82

Finding the Fourth Proportional to 18,298.34, 27,395.21 and 17,135.82

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Solution

The fourth proportional to 18,298.34, 27,395.21 and 17,135.82 is: 25,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.34 : 27,395.21 = 17,135.82 : x
  2. Step 2: Convert to fraction form
    18,298.34/27,395.21 = 17,135.82/x
  3. Step 3: Cross multiply
    18,298.34x = 27,395.21 × 17,135.82
  4. Step 4: Simplify right side
    18,298.34x = 469,439,430.26
  5. Step 5: Solve for x
    x = 469,439,430.26/18,298.34
  6. Step 6: Final answer
    x = 25,654.76

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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.