Home / 22,203.24-30,610.62-21,515.28

Finding the Fourth Proportional to 22,203.24, 30,610.62 and 21,515.28

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Solution

The fourth proportional to 22,203.24, 30,610.62 and 21,515.28 is: 29,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.24 : 30,610.62 = 21,515.28 : x
  2. Step 2: Convert to fraction form
    22,203.24/30,610.62 = 21,515.28/x
  3. Step 3: Cross multiply
    22,203.24x = 30,610.62 × 21,515.28
  4. Step 4: Simplify right side
    22,203.24x = 658,596,060.27
  5. Step 5: Solve for x
    x = 658,596,060.27/22,203.24
  6. Step 6: Final answer
    x = 29,662.16

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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.