Home / 43,859.28-65,662.20-27,168.78

Finding the Fourth Proportional to 43,859.28, 65,662.20 and 27,168.78

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Solution

The fourth proportional to 43,859.28, 65,662.20 and 27,168.78 is: 40,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,859.28 : 65,662.20 = 27,168.78 : x
  2. Step 2: Convert to fraction form
    43,859.28/65,662.20 = 27,168.78/x
  3. Step 3: Cross multiply
    43,859.28x = 65,662.20 × 27,168.78
  4. Step 4: Simplify right side
    43,859.28x = 1,783,961,866.12
  5. Step 5: Solve for x
    x = 1,783,961,866.12/43,859.28
  6. Step 6: Final answer
    x = 40,674.67

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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.