Home / 22,022.53-30,370.44-16,978.76

Finding the Fourth Proportional to 22,022.53, 30,370.44 and 16,978.76

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Solution

The fourth proportional to 22,022.53, 30,370.44 and 16,978.76 is: 23,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.53 : 30,370.44 = 16,978.76 : x
  2. Step 2: Convert to fraction form
    22,022.53/30,370.44 = 16,978.76/x
  3. Step 3: Cross multiply
    22,022.53x = 30,370.44 × 16,978.76
  4. Step 4: Simplify right side
    22,022.53x = 515,652,608.40
  5. Step 5: Solve for x
    x = 515,652,608.40/22,022.53
  6. Step 6: Final answer
    x = 23,414.77

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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.