Home / 28,647.75-39,533.90-16,072.23

Finding the Fourth Proportional to 28,647.75, 39,533.90 and 16,072.23

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Solution

The fourth proportional to 28,647.75, 39,533.90 and 16,072.23 is: 22,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.75 : 39,533.90 = 16,072.23 : x
  2. Step 2: Convert to fraction form
    28,647.75/39,533.90 = 16,072.23/x
  3. Step 3: Cross multiply
    28,647.75x = 39,533.90 × 16,072.23
  4. Step 4: Simplify right side
    28,647.75x = 635,397,853.24
  5. Step 5: Solve for x
    x = 635,397,853.24/28,647.75
  6. Step 6: Final answer
    x = 22,179.68

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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.