Home / 21,027.78-29,017.74-11,596.35

Finding the Fourth Proportional to 21,027.78, 29,017.74 and 11,596.35

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Solution

The fourth proportional to 21,027.78, 29,017.74 and 11,596.35 is: 16,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.78 : 29,017.74 = 11,596.35 : x
  2. Step 2: Convert to fraction form
    21,027.78/29,017.74 = 11,596.35/x
  3. Step 3: Cross multiply
    21,027.78x = 29,017.74 × 11,596.35
  4. Step 4: Simplify right side
    21,027.78x = 336,499,869.25
  5. Step 5: Solve for x
    x = 336,499,869.25/21,027.78
  6. Step 6: Final answer
    x = 16,002.63

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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.