Home / 28,240.80-38,968.26-16,907.58

Finding the Fourth Proportional to 28,240.80, 38,968.26 and 16,907.58

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Solution

The fourth proportional to 28,240.80, 38,968.26 and 16,907.58 is: 23,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.80 : 38,968.26 = 16,907.58 : x
  2. Step 2: Convert to fraction form
    28,240.80/38,968.26 = 16,907.58/x
  3. Step 3: Cross multiply
    28,240.80x = 38,968.26 × 16,907.58
  4. Step 4: Simplify right side
    28,240.80x = 658,858,973.41
  5. Step 5: Solve for x
    x = 658,858,973.41/28,240.80
  6. Step 6: Final answer
    x = 23,330.04

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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.