Home / 27,861.28-41,744.84-13,802.56

Finding the Fourth Proportional to 27,861.28, 41,744.84 and 13,802.56

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Solution

The fourth proportional to 27,861.28, 41,744.84 and 13,802.56 is: 20,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.28 : 41,744.84 = 13,802.56 : x
  2. Step 2: Convert to fraction form
    27,861.28/41,744.84 = 13,802.56/x
  3. Step 3: Cross multiply
    27,861.28x = 41,744.84 × 13,802.56
  4. Step 4: Simplify right side
    27,861.28x = 576,185,658.79
  5. Step 5: Solve for x
    x = 576,185,658.79/27,861.28
  6. Step 6: Final answer
    x = 20,680.52

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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.