Home / 30,157.96-41,615.94-16,728.70

Finding the Fourth Proportional to 30,157.96, 41,615.94 and 16,728.70

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Solution

The fourth proportional to 30,157.96, 41,615.94 and 16,728.70 is: 23,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.96 : 41,615.94 = 16,728.70 : x
  2. Step 2: Convert to fraction form
    30,157.96/41,615.94 = 16,728.70/x
  3. Step 3: Cross multiply
    30,157.96x = 41,615.94 × 16,728.70
  4. Step 4: Simplify right side
    30,157.96x = 696,180,575.48
  5. Step 5: Solve for x
    x = 696,180,575.48/30,157.96
  6. Step 6: Final answer
    x = 23,084.47

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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.