Home / 20,582.41-30,867.49-8,735.99

Finding the Fourth Proportional to 20,582.41, 30,867.49 and 8,735.99

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Solution

The fourth proportional to 20,582.41, 30,867.49 and 8,735.99 is: 13,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.41 : 30,867.49 = 8,735.99 : x
  2. Step 2: Convert to fraction form
    20,582.41/30,867.49 = 8,735.99/x
  3. Step 3: Cross multiply
    20,582.41x = 30,867.49 × 8,735.99
  4. Step 4: Simplify right side
    20,582.41x = 269,658,040.29
  5. Step 5: Solve for x
    x = 269,658,040.29/20,582.41
  6. Step 6: Final answer
    x = 13,101.38

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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.