Home / 21,469.32-29,682.42-16,191.24

Finding the Fourth Proportional to 21,469.32, 29,682.42 and 16,191.24

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Solution

The fourth proportional to 21,469.32, 29,682.42 and 16,191.24 is: 22,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.32 : 29,682.42 = 16,191.24 : x
  2. Step 2: Convert to fraction form
    21,469.32/29,682.42 = 16,191.24/x
  3. Step 3: Cross multiply
    21,469.32x = 29,682.42 × 16,191.24
  4. Step 4: Simplify right side
    21,469.32x = 480,595,186.00
  5. Step 5: Solve for x
    x = 480,595,186.00/21,469.32
  6. Step 6: Final answer
    x = 22,385.21

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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.