Home / 22,276.74-30,671.77-18,912.90

Finding the Fourth Proportional to 22,276.74, 30,671.77 and 18,912.90

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Solution

The fourth proportional to 22,276.74, 30,671.77 and 18,912.90 is: 26,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.74 : 30,671.77 = 18,912.90 : x
  2. Step 2: Convert to fraction form
    22,276.74/30,671.77 = 18,912.90/x
  3. Step 3: Cross multiply
    22,276.74x = 30,671.77 × 18,912.90
  4. Step 4: Simplify right side
    22,276.74x = 580,092,118.83
  5. Step 5: Solve for x
    x = 580,092,118.83/22,276.74
  6. Step 6: Final answer
    x = 26,040.26

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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.