Home / 28,491.44-42,628.71-17,205.24

Finding the Fourth Proportional to 28,491.44, 42,628.71 and 17,205.24

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Solution

The fourth proportional to 28,491.44, 42,628.71 and 17,205.24 is: 25,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.44 : 42,628.71 = 17,205.24 : x
  2. Step 2: Convert to fraction form
    28,491.44/42,628.71 = 17,205.24/x
  3. Step 3: Cross multiply
    28,491.44x = 42,628.71 × 17,205.24
  4. Step 4: Simplify right side
    28,491.44x = 733,437,186.44
  5. Step 5: Solve for x
    x = 733,437,186.44/28,491.44
  6. Step 6: Final answer
    x = 25,742.37

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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.