Home / 21,840.44-32,760.39-15,402.51

Finding the Fourth Proportional to 21,840.44, 32,760.39 and 15,402.51

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Solution

The fourth proportional to 21,840.44, 32,760.39 and 15,402.51 is: 23,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.44 : 32,760.39 = 15,402.51 : x
  2. Step 2: Convert to fraction form
    21,840.44/32,760.39 = 15,402.51/x
  3. Step 3: Cross multiply
    21,840.44x = 32,760.39 × 15,402.51
  4. Step 4: Simplify right side
    21,840.44x = 504,592,234.58
  5. Step 5: Solve for x
    x = 504,592,234.58/21,840.44
  6. Step 6: Final answer
    x = 23,103.58

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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.