Home / 21,469.44-29,596.80-15,076.64

Finding the Fourth Proportional to 21,469.44, 29,596.80 and 15,076.64

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Solution

The fourth proportional to 21,469.44, 29,596.80 and 15,076.64 is: 20,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.44 : 29,596.80 = 15,076.64 : x
  2. Step 2: Convert to fraction form
    21,469.44/29,596.80 = 15,076.64/x
  3. Step 3: Cross multiply
    21,469.44x = 29,596.80 × 15,076.64
  4. Step 4: Simplify right side
    21,469.44x = 446,220,298.75
  5. Step 5: Solve for x
    x = 446,220,298.75/21,469.44
  6. Step 6: Final answer
    x = 20,783.97

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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.