Home / 29,300.20-40,434.39-15,871.42

Finding the Fourth Proportional to 29,300.20, 40,434.39 and 15,871.42

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Solution

The fourth proportional to 29,300.20, 40,434.39 and 15,871.42 is: 21,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.20 : 40,434.39 = 15,871.42 : x
  2. Step 2: Convert to fraction form
    29,300.20/40,434.39 = 15,871.42/x
  3. Step 3: Cross multiply
    29,300.20x = 40,434.39 × 15,871.42
  4. Step 4: Simplify right side
    29,300.20x = 641,751,186.13
  5. Step 5: Solve for x
    x = 641,751,186.13/29,300.20
  6. Step 6: Final answer
    x = 21,902.62

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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.