Home / 19,644.15-27,040.46-17,121.88

Finding the Fourth Proportional to 19,644.15, 27,040.46 and 17,121.88

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Solution

The fourth proportional to 19,644.15, 27,040.46 and 17,121.88 is: 23,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.15 : 27,040.46 = 17,121.88 : x
  2. Step 2: Convert to fraction form
    19,644.15/27,040.46 = 17,121.88/x
  3. Step 3: Cross multiply
    19,644.15x = 27,040.46 × 17,121.88
  4. Step 4: Simplify right side
    19,644.15x = 462,983,486.47
  5. Step 5: Solve for x
    x = 462,983,486.47/19,644.15
  6. Step 6: Final answer
    x = 23,568.52

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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.