Home / 22,371.44-30,887.89-20,475.75

Finding the Fourth Proportional to 22,371.44, 30,887.89 and 20,475.75

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Solution

The fourth proportional to 22,371.44, 30,887.89 and 20,475.75 is: 28,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.44 : 30,887.89 = 20,475.75 : x
  2. Step 2: Convert to fraction form
    22,371.44/30,887.89 = 20,475.75/x
  3. Step 3: Cross multiply
    22,371.44x = 30,887.89 × 20,475.75
  4. Step 4: Simplify right side
    22,371.44x = 632,452,713.67
  5. Step 5: Solve for x
    x = 632,452,713.67/22,371.44
  6. Step 6: Final answer
    x = 28,270.54

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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.