Home / 18,403.20-25,466.40-15,924.60

Finding the Fourth Proportional to 18,403.20, 25,466.40 and 15,924.60

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Solution

The fourth proportional to 18,403.20, 25,466.40 and 15,924.60 is: 22,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.20 : 25,466.40 = 15,924.60 : x
  2. Step 2: Convert to fraction form
    18,403.20/25,466.40 = 15,924.60/x
  3. Step 3: Cross multiply
    18,403.20x = 25,466.40 × 15,924.60
  4. Step 4: Simplify right side
    18,403.20x = 405,542,233.44
  5. Step 5: Solve for x
    x = 405,542,233.44/18,403.20
  6. Step 6: Final answer
    x = 22,036.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.