Home / 29,617.68-40,872.12-16,695.78

Finding the Fourth Proportional to 29,617.68, 40,872.12 and 16,695.78

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Solution

The fourth proportional to 29,617.68, 40,872.12 and 16,695.78 is: 23,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.68 : 40,872.12 = 16,695.78 : x
  2. Step 2: Convert to fraction form
    29,617.68/40,872.12 = 16,695.78/x
  3. Step 3: Cross multiply
    29,617.68x = 40,872.12 × 16,695.78
  4. Step 4: Simplify right side
    29,617.68x = 682,391,923.65
  5. Step 5: Solve for x
    x = 682,391,923.65/29,617.68
  6. Step 6: Final answer
    x = 23,040.02

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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.