Home / 22,008.85-30,378.44-18,039.44

Finding the Fourth Proportional to 22,008.85, 30,378.44 and 18,039.44

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Solution

The fourth proportional to 22,008.85, 30,378.44 and 18,039.44 is: 24,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.85 : 30,378.44 = 18,039.44 : x
  2. Step 2: Convert to fraction form
    22,008.85/30,378.44 = 18,039.44/x
  3. Step 3: Cross multiply
    22,008.85x = 30,378.44 × 18,039.44
  4. Step 4: Simplify right side
    22,008.85x = 548,010,166.72
  5. Step 5: Solve for x
    x = 548,010,166.72/22,008.85
  6. Step 6: Final answer
    x = 24,899.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.