Home / 27,286.20-37,605.60-20,525.94

Finding the Fourth Proportional to 27,286.20, 37,605.60 and 20,525.94

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Solution

The fourth proportional to 27,286.20, 37,605.60 and 20,525.94 is: 28,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.20 : 37,605.60 = 20,525.94 : x
  2. Step 2: Convert to fraction form
    27,286.20/37,605.60 = 20,525.94/x
  3. Step 3: Cross multiply
    27,286.20x = 37,605.60 × 20,525.94
  4. Step 4: Simplify right side
    27,286.20x = 771,890,289.26
  5. Step 5: Solve for x
    x = 771,890,289.26/27,286.20
  6. Step 6: Final answer
    x = 28,288.67

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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.