Home / 29,369.42-40,529.82-15,940.68

Finding the Fourth Proportional to 29,369.42, 40,529.82 and 15,940.68

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Solution

The fourth proportional to 29,369.42, 40,529.82 and 15,940.68 is: 21,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.42 : 40,529.82 = 15,940.68 : x
  2. Step 2: Convert to fraction form
    29,369.42/40,529.82 = 15,940.68/x
  3. Step 3: Cross multiply
    29,369.42x = 40,529.82 × 15,940.68
  4. Step 4: Simplify right side
    29,369.42x = 646,072,891.08
  5. Step 5: Solve for x
    x = 646,072,891.08/29,369.42
  6. Step 6: Final answer
    x = 21,998.15

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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.