Home / 27,824.11-41,756.66-20,448.45

Finding the Fourth Proportional to 27,824.11, 41,756.66 and 20,448.45

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Solution

The fourth proportional to 27,824.11, 41,756.66 and 20,448.45 is: 30,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,824.11 : 41,756.66 = 20,448.45 : x
  2. Step 2: Convert to fraction form
    27,824.11/41,756.66 = 20,448.45/x
  3. Step 3: Cross multiply
    27,824.11x = 41,756.66 × 20,448.45
  4. Step 4: Simplify right side
    27,824.11x = 853,859,063.64
  5. Step 5: Solve for x
    x = 853,859,063.64/27,824.11
  6. Step 6: Final answer
    x = 30,687.74

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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.