Home / 21,027.52-29,017.92-11,596.64

Finding the Fourth Proportional to 21,027.52, 29,017.92 and 11,596.64

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Solution

The fourth proportional to 21,027.52, 29,017.92 and 11,596.64 is: 16,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.52 : 29,017.92 = 11,596.64 : x
  2. Step 2: Convert to fraction form
    21,027.52/29,017.92 = 11,596.64/x
  3. Step 3: Cross multiply
    21,027.52x = 29,017.92 × 11,596.64
  4. Step 4: Simplify right side
    21,027.52x = 336,510,371.79
  5. Step 5: Solve for x
    x = 336,510,371.79/21,027.52
  6. Step 6: Final answer
    x = 16,003.33

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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.