Home / 18,509.00-27,618.12-17,379.27

Finding the Fourth Proportional to 18,509.00, 27,618.12 and 17,379.27

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Solution

The fourth proportional to 18,509.00, 27,618.12 and 17,379.27 is: 25,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.00 : 27,618.12 = 17,379.27 : x
  2. Step 2: Convert to fraction form
    18,509.00/27,618.12 = 17,379.27/x
  3. Step 3: Cross multiply
    18,509.00x = 27,618.12 × 17,379.27
  4. Step 4: Simplify right side
    18,509.00x = 479,982,764.37
  5. Step 5: Solve for x
    x = 479,982,764.37/18,509.00
  6. Step 6: Final answer
    x = 25,932.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.