Home / 21,451.72-32,183.94-15,223.72

Finding the Fourth Proportional to 21,451.72, 32,183.94 and 15,223.72

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Solution

The fourth proportional to 21,451.72, 32,183.94 and 15,223.72 is: 22,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.72 : 32,183.94 = 15,223.72 : x
  2. Step 2: Convert to fraction form
    21,451.72/32,183.94 = 15,223.72/x
  3. Step 3: Cross multiply
    21,451.72x = 32,183.94 × 15,223.72
  4. Step 4: Simplify right side
    21,451.72x = 489,959,291.06
  5. Step 5: Solve for x
    x = 489,959,291.06/21,451.72
  6. Step 6: Final answer
    x = 22,840.09

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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.