Home / 20,834.58-31,232.82-8,352.48

Finding the Fourth Proportional to 20,834.58, 31,232.82 and 8,352.48

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Solution

The fourth proportional to 20,834.58, 31,232.82 and 8,352.48 is: 12,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.58 : 31,232.82 = 8,352.48 : x
  2. Step 2: Convert to fraction form
    20,834.58/31,232.82 = 8,352.48/x
  3. Step 3: Cross multiply
    20,834.58x = 31,232.82 × 8,352.48
  4. Step 4: Simplify right side
    20,834.58x = 260,871,504.39
  5. Step 5: Solve for x
    x = 260,871,504.39/20,834.58
  6. Step 6: Final answer
    x = 12,521.08

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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.