Home / 16,755.56-25,172.46-15,809.78

Finding the Fourth Proportional to 16,755.56, 25,172.46 and 15,809.78

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Solution

The fourth proportional to 16,755.56, 25,172.46 and 15,809.78 is: 23,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.56 : 25,172.46 = 15,809.78 : x
  2. Step 2: Convert to fraction form
    16,755.56/25,172.46 = 15,809.78/x
  3. Step 3: Cross multiply
    16,755.56x = 25,172.46 × 15,809.78
  4. Step 4: Simplify right side
    16,755.56x = 397,971,054.66
  5. Step 5: Solve for x
    x = 397,971,054.66/16,755.56
  6. Step 6: Final answer
    x = 23,751.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.