Home / 29,414.28-40,576.50-18,216.84

Finding the Fourth Proportional to 29,414.28, 40,576.50 and 18,216.84

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Solution

The fourth proportional to 29,414.28, 40,576.50 and 18,216.84 is: 25,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,414.28 : 40,576.50 = 18,216.84 : x
  2. Step 2: Convert to fraction form
    29,414.28/40,576.50 = 18,216.84/x
  3. Step 3: Cross multiply
    29,414.28x = 40,576.50 × 18,216.84
  4. Step 4: Simplify right side
    29,414.28x = 739,175,608.26
  5. Step 5: Solve for x
    x = 739,175,608.26/29,414.28
  6. Step 6: Final answer
    x = 25,129.82

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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.