Home / 17,998.40-27,002.79-5,520.26

Finding the Fourth Proportional to 17,998.40, 27,002.79 and 5,520.26

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Solution

The fourth proportional to 17,998.40, 27,002.79 and 5,520.26 is: 8,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.40 : 27,002.79 = 5,520.26 : x
  2. Step 2: Convert to fraction form
    17,998.40/27,002.79 = 5,520.26/x
  3. Step 3: Cross multiply
    17,998.40x = 27,002.79 × 5,520.26
  4. Step 4: Simplify right side
    17,998.40x = 149,062,326.42
  5. Step 5: Solve for x
    x = 149,062,326.42/17,998.40
  6. Step 6: Final answer
    x = 8,281.98

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1.5x scale

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.