Home / 29,868.72-41,218.51-16,439.69

Finding the Fourth Proportional to 29,868.72, 41,218.51 and 16,439.69

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Solution

The fourth proportional to 29,868.72, 41,218.51 and 16,439.69 is: 22,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,868.72 : 41,218.51 = 16,439.69 : x
  2. Step 2: Convert to fraction form
    29,868.72/41,218.51 = 16,439.69/x
  3. Step 3: Cross multiply
    29,868.72x = 41,218.51 × 16,439.69
  4. Step 4: Simplify right side
    29,868.72x = 677,619,613.40
  5. Step 5: Solve for x
    x = 677,619,613.40/29,868.72
  6. Step 6: Final answer
    x = 22,686.59

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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.