Home / 28,137.75-38,830.73-16,199.16

Finding the Fourth Proportional to 28,137.75, 38,830.73 and 16,199.16

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Solution

The fourth proportional to 28,137.75, 38,830.73 and 16,199.16 is: 22,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.75 : 38,830.73 = 16,199.16 : x
  2. Step 2: Convert to fraction form
    28,137.75/38,830.73 = 16,199.16/x
  3. Step 3: Cross multiply
    28,137.75x = 38,830.73 × 16,199.16
  4. Step 4: Simplify right side
    28,137.75x = 629,025,127.19
  5. Step 5: Solve for x
    x = 629,025,127.19/28,137.75
  6. Step 6: Final answer
    x = 22,355.20

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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.