Home / 20,562.79-28,376.41-11,610.67

Finding the Fourth Proportional to 20,562.79, 28,376.41 and 11,610.67

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Solution

The fourth proportional to 20,562.79, 28,376.41 and 11,610.67 is: 16,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.79 : 28,376.41 = 11,610.67 : x
  2. Step 2: Convert to fraction form
    20,562.79/28,376.41 = 11,610.67/x
  3. Step 3: Cross multiply
    20,562.79x = 28,376.41 × 11,610.67
  4. Step 4: Simplify right side
    20,562.79x = 329,469,132.29
  5. Step 5: Solve for x
    x = 329,469,132.29/20,562.79
  6. Step 6: Final answer
    x = 16,022.59

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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.