Home / 22,230.56-30,600.24-20,131.04

Finding the Fourth Proportional to 22,230.56, 30,600.24 and 20,131.04

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Solution

The fourth proportional to 22,230.56, 30,600.24 and 20,131.04 is: 27,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.56 : 30,600.24 = 20,131.04 : x
  2. Step 2: Convert to fraction form
    22,230.56/30,600.24 = 20,131.04/x
  3. Step 3: Cross multiply
    22,230.56x = 30,600.24 × 20,131.04
  4. Step 4: Simplify right side
    22,230.56x = 616,014,655.45
  5. Step 5: Solve for x
    x = 616,014,655.45/22,230.56
  6. Step 6: Final answer
    x = 27,710.26

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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.