Home / 23,311.90-34,927.35-21,027.70

Finding the Fourth Proportional to 23,311.90, 34,927.35 and 21,027.70

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Solution

The fourth proportional to 23,311.90, 34,927.35 and 21,027.70 is: 31,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.90 : 34,927.35 = 21,027.70 : x
  2. Step 2: Convert to fraction form
    23,311.90/34,927.35 = 21,027.70/x
  3. Step 3: Cross multiply
    23,311.90x = 34,927.35 × 21,027.70
  4. Step 4: Simplify right side
    23,311.90x = 734,441,837.60
  5. Step 5: Solve for x
    x = 734,441,837.60/23,311.90
  6. Step 6: Final answer
    x = 31,505.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.