Home / 18,456.32-27,551.54-17,144.12

Finding the Fourth Proportional to 18,456.32, 27,551.54 and 17,144.12

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Solution

The fourth proportional to 18,456.32, 27,551.54 and 17,144.12 is: 25,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.32 : 27,551.54 = 17,144.12 : x
  2. Step 2: Convert to fraction form
    18,456.32/27,551.54 = 17,144.12/x
  3. Step 3: Cross multiply
    18,456.32x = 27,551.54 × 17,144.12
  4. Step 4: Simplify right side
    18,456.32x = 472,346,907.94
  5. Step 5: Solve for x
    x = 472,346,907.94/18,456.32
  6. Step 6: Final answer
    x = 25,592.69

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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.