Home / 30,157.21-41,617.29-16,728.85

Finding the Fourth Proportional to 30,157.21, 41,617.29 and 16,728.85

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Solution

The fourth proportional to 30,157.21, 41,617.29 and 16,728.85 is: 23,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.21 : 41,617.29 = 16,728.85 : x
  2. Step 2: Convert to fraction form
    30,157.21/41,617.29 = 16,728.85/x
  3. Step 3: Cross multiply
    30,157.21x = 41,617.29 × 16,728.85
  4. Step 4: Simplify right side
    30,157.21x = 696,209,401.82
  5. Step 5: Solve for x
    x = 696,209,401.82/30,157.21
  6. Step 6: Final answer
    x = 23,086.00

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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.