Home / 29,261.65-40,380.79-15,832.61

Finding the Fourth Proportional to 29,261.65, 40,380.79 and 15,832.61

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Solution

The fourth proportional to 29,261.65, 40,380.79 and 15,832.61 is: 21,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.65 : 40,380.79 = 15,832.61 : x
  2. Step 2: Convert to fraction form
    29,261.65/40,380.79 = 15,832.61/x
  3. Step 3: Cross multiply
    29,261.65x = 40,380.79 × 15,832.61
  4. Step 4: Simplify right side
    29,261.65x = 639,333,299.56
  5. Step 5: Solve for x
    x = 639,333,299.56/29,261.65
  6. Step 6: Final answer
    x = 21,848.85

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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.