Home / 19,980.52-27,505.38-17,169.64

Finding the Fourth Proportional to 19,980.52, 27,505.38 and 17,169.64

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Solution

The fourth proportional to 19,980.52, 27,505.38 and 17,169.64 is: 23,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.52 : 27,505.38 = 17,169.64 : x
  2. Step 2: Convert to fraction form
    19,980.52/27,505.38 = 17,169.64/x
  3. Step 3: Cross multiply
    19,980.52x = 27,505.38 × 17,169.64
  4. Step 4: Simplify right side
    19,980.52x = 472,257,472.66
  5. Step 5: Solve for x
    x = 472,257,472.66/19,980.52
  6. Step 6: Final answer
    x = 23,635.89

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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.