Home / 18,351.40-27,584.70-18,005.80

Finding the Fourth Proportional to 18,351.40, 27,584.70 and 18,005.80

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Solution

The fourth proportional to 18,351.40, 27,584.70 and 18,005.80 is: 27,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.40 : 27,584.70 = 18,005.80 : x
  2. Step 2: Convert to fraction form
    18,351.40/27,584.70 = 18,005.80/x
  3. Step 3: Cross multiply
    18,351.40x = 27,584.70 × 18,005.80
  4. Step 4: Simplify right side
    18,351.40x = 496,684,591.26
  5. Step 5: Solve for x
    x = 496,684,591.26/18,351.40
  6. Step 6: Final answer
    x = 27,065.22

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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.