Home / 29,136.39-40,207.80-16,388.61

Finding the Fourth Proportional to 29,136.39, 40,207.80 and 16,388.61

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Solution

The fourth proportional to 29,136.39, 40,207.80 and 16,388.61 is: 22,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.39 : 40,207.80 = 16,388.61 : x
  2. Step 2: Convert to fraction form
    29,136.39/40,207.80 = 16,388.61/x
  3. Step 3: Cross multiply
    29,136.39x = 40,207.80 × 16,388.61
  4. Step 4: Simplify right side
    29,136.39x = 658,949,953.16
  5. Step 5: Solve for x
    x = 658,949,953.16/29,136.39
  6. Step 6: Final answer
    x = 22,616.05

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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.