Home / 18,028.59-27,042.40-8,160.67

Finding the Fourth Proportional to 18,028.59, 27,042.40 and 8,160.67

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Solution

The fourth proportional to 18,028.59, 27,042.40 and 8,160.67 is: 12,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.59 : 27,042.40 = 8,160.67 : x
  2. Step 2: Convert to fraction form
    18,028.59/27,042.40 = 8,160.67/x
  3. Step 3: Cross multiply
    18,028.59x = 27,042.40 × 8,160.67
  4. Step 4: Simplify right side
    18,028.59x = 220,684,102.41
  5. Step 5: Solve for x
    x = 220,684,102.41/18,028.59
  6. Step 6: Final answer
    x = 12,240.79

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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.