Home / 18,022.45-27,038.53-16,287.43

Finding the Fourth Proportional to 18,022.45, 27,038.53 and 16,287.43

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Solution

The fourth proportional to 18,022.45, 27,038.53 and 16,287.43 is: 24,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.45 : 27,038.53 = 16,287.43 : x
  2. Step 2: Convert to fraction form
    18,022.45/27,038.53 = 16,287.43/x
  3. Step 3: Cross multiply
    18,022.45x = 27,038.53 × 16,287.43
  4. Step 4: Simplify right side
    18,022.45x = 440,388,213.95
  5. Step 5: Solve for x
    x = 440,388,213.95/18,022.45
  6. Step 6: Final answer
    x = 24,435.54

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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.