Home / 21,204.37-29,213.89-16,407.82

Finding the Fourth Proportional to 21,204.37, 29,213.89 and 16,407.82

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Solution

The fourth proportional to 21,204.37, 29,213.89 and 16,407.82 is: 22,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.37 : 29,213.89 = 16,407.82 : x
  2. Step 2: Convert to fraction form
    21,204.37/29,213.89 = 16,407.82/x
  3. Step 3: Cross multiply
    21,204.37x = 29,213.89 × 16,407.82
  4. Step 4: Simplify right side
    21,204.37x = 479,336,248.62
  5. Step 5: Solve for x
    x = 479,336,248.62/21,204.37
  6. Step 6: Final answer
    x = 22,605.54

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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.