Home / 19,904.70-27,321.90-17,616.72

Finding the Fourth Proportional to 19,904.70, 27,321.90 and 17,616.72

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Solution

The fourth proportional to 19,904.70, 27,321.90 and 17,616.72 is: 24,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.70 : 27,321.90 = 17,616.72 : x
  2. Step 2: Convert to fraction form
    19,904.70/27,321.90 = 17,616.72/x
  3. Step 3: Cross multiply
    19,904.70x = 27,321.90 × 17,616.72
  4. Step 4: Simplify right side
    19,904.70x = 481,322,262.17
  5. Step 5: Solve for x
    x = 481,322,262.17/19,904.70
  6. Step 6: Final answer
    x = 24,181.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.