Home / 18,862.74-28,406.96-17,181.26

Finding the Fourth Proportional to 18,862.74, 28,406.96 and 17,181.26

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Solution

The fourth proportional to 18,862.74, 28,406.96 and 17,181.26 is: 25,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.74 : 28,406.96 = 17,181.26 : x
  2. Step 2: Convert to fraction form
    18,862.74/28,406.96 = 17,181.26/x
  3. Step 3: Cross multiply
    18,862.74x = 28,406.96 × 17,181.26
  4. Step 4: Simplify right side
    18,862.74x = 488,067,251.60
  5. Step 5: Solve for x
    x = 488,067,251.60/18,862.74
  6. Step 6: Final answer
    x = 25,874.67

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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.