Home / 20,576.69-28,396.94-11,624.57

Finding the Fourth Proportional to 20,576.69, 28,396.94 and 11,624.57

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Solution

The fourth proportional to 20,576.69, 28,396.94 and 11,624.57 is: 16,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.69 : 28,396.94 = 11,624.57 : x
  2. Step 2: Convert to fraction form
    20,576.69/28,396.94 = 11,624.57/x
  3. Step 3: Cross multiply
    20,576.69x = 28,396.94 × 11,624.57
  4. Step 4: Simplify right side
    20,576.69x = 330,102,016.71
  5. Step 5: Solve for x
    x = 330,102,016.71/20,576.69
  6. Step 6: Final answer
    x = 16,042.53

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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.