Home / 30,235.94-41,728.99-16,808.47

Finding the Fourth Proportional to 30,235.94, 41,728.99 and 16,808.47

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Solution

The fourth proportional to 30,235.94, 41,728.99 and 16,808.47 is: 23,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.94 : 41,728.99 = 16,808.47 : x
  2. Step 2: Convert to fraction form
    30,235.94/41,728.99 = 16,808.47/x
  3. Step 3: Cross multiply
    30,235.94x = 41,728.99 × 16,808.47
  4. Step 4: Simplify right side
    30,235.94x = 701,400,330.20
  5. Step 5: Solve for x
    x = 701,400,330.20/30,235.94
  6. Step 6: Final answer
    x = 23,197.57

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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.