Home / 30,157.27-41,617.13-16,729.76

Finding the Fourth Proportional to 30,157.27, 41,617.13 and 16,729.76

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Solution

The fourth proportional to 30,157.27, 41,617.13 and 16,729.76 is: 23,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.27 : 41,617.13 = 16,729.76 : x
  2. Step 2: Convert to fraction form
    30,157.27/41,617.13 = 16,729.76/x
  3. Step 3: Cross multiply
    30,157.27x = 41,617.13 × 16,729.76
  4. Step 4: Simplify right side
    30,157.27x = 696,244,617.18
  5. Step 5: Solve for x
    x = 696,244,617.18/30,157.27
  6. Step 6: Final answer
    x = 23,087.13

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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.