Home / 29,142.65-40,216.80-16,395.85

Finding the Fourth Proportional to 29,142.65, 40,216.80 and 16,395.85

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Solution

The fourth proportional to 29,142.65, 40,216.80 and 16,395.85 is: 22,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.65 : 40,216.80 = 16,395.85 : x
  2. Step 2: Convert to fraction form
    29,142.65/40,216.80 = 16,395.85/x
  3. Step 3: Cross multiply
    29,142.65x = 40,216.80 × 16,395.85
  4. Step 4: Simplify right side
    29,142.65x = 659,388,620.28
  5. Step 5: Solve for x
    x = 659,388,620.28/29,142.65
  6. Step 6: Final answer
    x = 22,626.24

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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.