Home / 21,435.22-32,151.84-5,852.80

Finding the Fourth Proportional to 21,435.22, 32,151.84 and 5,852.80

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Solution

The fourth proportional to 21,435.22, 32,151.84 and 5,852.80 is: 8,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.22 : 32,151.84 = 5,852.80 : x
  2. Step 2: Convert to fraction form
    21,435.22/32,151.84 = 5,852.80/x
  3. Step 3: Cross multiply
    21,435.22x = 32,151.84 × 5,852.80
  4. Step 4: Simplify right side
    21,435.22x = 188,178,289.15
  5. Step 5: Solve for x
    x = 188,178,289.15/21,435.22
  6. Step 6: Final answer
    x = 8,778.93

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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.