Home / 20,059.72-27,682.80-12,001.67

Finding the Fourth Proportional to 20,059.72, 27,682.80 and 12,001.67

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Solution

The fourth proportional to 20,059.72, 27,682.80 and 12,001.67 is: 16,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.72 : 27,682.80 = 12,001.67 : x
  2. Step 2: Convert to fraction form
    20,059.72/27,682.80 = 12,001.67/x
  3. Step 3: Cross multiply
    20,059.72x = 27,682.80 × 12,001.67
  4. Step 4: Simplify right side
    20,059.72x = 332,239,830.28
  5. Step 5: Solve for x
    x = 332,239,830.28/20,059.72
  6. Step 6: Final answer
    x = 16,562.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.