Home / 28,240.74-38,968.19-16,907.52

Finding the Fourth Proportional to 28,240.74, 38,968.19 and 16,907.52

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Solution

The fourth proportional to 28,240.74, 38,968.19 and 16,907.52 is: 23,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.74 : 38,968.19 = 16,907.52 : x
  2. Step 2: Convert to fraction form
    28,240.74/38,968.19 = 16,907.52/x
  3. Step 3: Cross multiply
    28,240.74x = 38,968.19 × 16,907.52
  4. Step 4: Simplify right side
    28,240.74x = 658,855,367.25
  5. Step 5: Solve for x
    x = 658,855,367.25/28,240.74
  6. Step 6: Final answer
    x = 23,329.96

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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.