Home / 21,027.58-29,018.05-11,596.15

Finding the Fourth Proportional to 21,027.58, 29,018.05 and 11,596.15

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Solution

The fourth proportional to 21,027.58, 29,018.05 and 11,596.15 is: 16,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.58 : 29,018.05 = 11,596.15 : x
  2. Step 2: Convert to fraction form
    21,027.58/29,018.05 = 11,596.15/x
  3. Step 3: Cross multiply
    21,027.58x = 29,018.05 × 11,596.15
  4. Step 4: Simplify right side
    21,027.58x = 336,497,504.56
  5. Step 5: Solve for x
    x = 336,497,504.56/21,027.58
  6. Step 6: Final answer
    x = 16,002.67

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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.