Home / 28,192.88-42,286.92-11,548.16

Finding the Fourth Proportional to 28,192.88, 42,286.92 and 11,548.16

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Solution

The fourth proportional to 28,192.88, 42,286.92 and 11,548.16 is: 17,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.88 : 42,286.92 = 11,548.16 : x
  2. Step 2: Convert to fraction form
    28,192.88/42,286.92 = 11,548.16/x
  3. Step 3: Cross multiply
    28,192.88x = 42,286.92 × 11,548.16
  4. Step 4: Simplify right side
    28,192.88x = 488,336,118.07
  5. Step 5: Solve for x
    x = 488,336,118.07/28,192.88
  6. Step 6: Final answer
    x = 17,321.26

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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.