Home / 28,069.23-38,735.21-16,131.66

Finding the Fourth Proportional to 28,069.23, 38,735.21 and 16,131.66

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Solution

The fourth proportional to 28,069.23, 38,735.21 and 16,131.66 is: 22,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.23 : 38,735.21 = 16,131.66 : x
  2. Step 2: Convert to fraction form
    28,069.23/38,735.21 = 16,131.66/x
  3. Step 3: Cross multiply
    28,069.23x = 38,735.21 × 16,131.66
  4. Step 4: Simplify right side
    28,069.23x = 624,863,237.75
  5. Step 5: Solve for x
    x = 624,863,237.75/28,069.23
  6. Step 6: Final answer
    x = 22,261.50

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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.