Home / 21,027.03-29,017.97-12,076.35

Finding the Fourth Proportional to 21,027.03, 29,017.97 and 12,076.35

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Solution

The fourth proportional to 21,027.03, 29,017.97 and 12,076.35 is: 16,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.03 : 29,017.97 = 12,076.35 : x
  2. Step 2: Convert to fraction form
    21,027.03/29,017.97 = 12,076.35/x
  3. Step 3: Cross multiply
    21,027.03x = 29,017.97 × 12,076.35
  4. Step 4: Simplify right side
    21,027.03x = 350,431,162.01
  5. Step 5: Solve for x
    x = 350,431,162.01/21,027.03
  6. Step 6: Final answer
    x = 16,665.75

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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.