Home / 29,115.12-43,674.96-10,399.20

Finding the Fourth Proportional to 29,115.12, 43,674.96 and 10,399.20

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Solution

The fourth proportional to 29,115.12, 43,674.96 and 10,399.20 is: 15,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.12 : 43,674.96 = 10,399.20 : x
  2. Step 2: Convert to fraction form
    29,115.12/43,674.96 = 10,399.20/x
  3. Step 3: Cross multiply
    29,115.12x = 43,674.96 × 10,399.20
  4. Step 4: Simplify right side
    29,115.12x = 454,184,644.03
  5. Step 5: Solve for x
    x = 454,184,644.03/29,115.12
  6. Step 6: Final answer
    x = 15,599.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.