Home / 21,782.00-32,659.85-9,771.96

Finding the Fourth Proportional to 21,782.00, 32,659.85 and 9,771.96

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Solution

The fourth proportional to 21,782.00, 32,659.85 and 9,771.96 is: 14,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782.00 : 32,659.85 = 9,771.96 : x
  2. Step 2: Convert to fraction form
    21,782.00/32,659.85 = 9,771.96/x
  3. Step 3: Cross multiply
    21,782.00x = 32,659.85 × 9,771.96
  4. Step 4: Simplify right side
    21,782.00x = 319,150,772.24
  5. Step 5: Solve for x
    x = 319,150,772.24/21,782.00
  6. Step 6: Final answer
    x = 14,652.04

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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.