Home / 27,808.85-41,720.13-8,087.58

Finding the Fourth Proportional to 27,808.85, 41,720.13 and 8,087.58

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Solution

The fourth proportional to 27,808.85, 41,720.13 and 8,087.58 is: 12,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.85 : 41,720.13 = 8,087.58 : x
  2. Step 2: Convert to fraction form
    27,808.85/41,720.13 = 8,087.58/x
  3. Step 3: Cross multiply
    27,808.85x = 41,720.13 × 8,087.58
  4. Step 4: Simplify right side
    27,808.85x = 337,414,888.99
  5. Step 5: Solve for x
    x = 337,414,888.99/27,808.85
  6. Step 6: Final answer
    x = 12,133.36

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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.