Home / 29,267.42-40,388.72-15,838.38

Finding the Fourth Proportional to 29,267.42, 40,388.72 and 15,838.38

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Solution

The fourth proportional to 29,267.42, 40,388.72 and 15,838.38 is: 21,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,267.42 : 40,388.72 = 15,838.38 : x
  2. Step 2: Convert to fraction form
    29,267.42/40,388.72 = 15,838.38/x
  3. Step 3: Cross multiply
    29,267.42x = 40,388.72 × 15,838.38
  4. Step 4: Simplify right side
    29,267.42x = 639,691,815.88
  5. Step 5: Solve for x
    x = 639,691,815.88/29,267.42
  6. Step 6: Final answer
    x = 21,856.79

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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.