Home / 18,845.21-28,264.16-17,908.44

Finding the Fourth Proportional to 18,845.21, 28,264.16 and 17,908.44

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Solution

The fourth proportional to 18,845.21, 28,264.16 and 17,908.44 is: 26,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.21 : 28,264.16 = 17,908.44 : x
  2. Step 2: Convert to fraction form
    18,845.21/28,264.16 = 17,908.44/x
  3. Step 3: Cross multiply
    18,845.21x = 28,264.16 × 17,908.44
  4. Step 4: Simplify right side
    18,845.21x = 506,166,923.97
  5. Step 5: Solve for x
    x = 506,166,923.97/18,845.21
  6. Step 6: Final answer
    x = 26,859.19

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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.