Home / 18,537.42-27,671.29-17,166.90

Finding the Fourth Proportional to 18,537.42, 27,671.29 and 17,166.90

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Solution

The fourth proportional to 18,537.42, 27,671.29 and 17,166.90 is: 25,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.42 : 27,671.29 = 17,166.90 : x
  2. Step 2: Convert to fraction form
    18,537.42/27,671.29 = 17,166.90/x
  3. Step 3: Cross multiply
    18,537.42x = 27,671.29 × 17,166.90
  4. Step 4: Simplify right side
    18,537.42x = 475,030,268.30
  5. Step 5: Solve for x
    x = 475,030,268.30/18,537.42
  6. Step 6: Final answer
    x = 25,625.48

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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.