Home / 21,705.22-32,504.73-19,601.61

Finding the Fourth Proportional to 21,705.22, 32,504.73 and 19,601.61

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Solution

The fourth proportional to 21,705.22, 32,504.73 and 19,601.61 is: 29,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.22 : 32,504.73 = 19,601.61 : x
  2. Step 2: Convert to fraction form
    21,705.22/32,504.73 = 19,601.61/x
  3. Step 3: Cross multiply
    21,705.22x = 32,504.73 × 19,601.61
  4. Step 4: Simplify right side
    21,705.22x = 637,145,040.62
  5. Step 5: Solve for x
    x = 637,145,040.62/21,705.22
  6. Step 6: Final answer
    x = 29,354.46

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1.5x scale

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.