Home / 22,204.24-30,612-21,516.28

Finding the Fourth Proportional to 22,204.24, 30,612 and 21,516.28

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Solution

The fourth proportional to 22,204.24, 30,612 and 21,516.28 is: 29,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.24 : 30,612 = 21,516.28 : x
  2. Step 2: Convert to fraction form
    22,204.24/30,612 = 21,516.28/x
  3. Step 3: Cross multiply
    22,204.24x = 30,612 × 21,516.28
  4. Step 4: Simplify right side
    22,204.24x = 658,656,363.36
  5. Step 5: Solve for x
    x = 658,656,363.36/22,204.24
  6. Step 6: Final answer
    x = 29,663.54

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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.