Home / 21,418.56-32,274.09-17,608.32

Finding the Fourth Proportional to 21,418.56, 32,274.09 and 17,608.32

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Solution

The fourth proportional to 21,418.56, 32,274.09 and 17,608.32 is: 26,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.56 : 32,274.09 = 17,608.32 : x
  2. Step 2: Convert to fraction form
    21,418.56/32,274.09 = 17,608.32/x
  3. Step 3: Cross multiply
    21,418.56x = 32,274.09 × 17,608.32
  4. Step 4: Simplify right side
    21,418.56x = 568,292,504.43
  5. Step 5: Solve for x
    x = 568,292,504.43/21,418.56
  6. Step 6: Final answer
    x = 26,532.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.