Home / 30,157.43-41,617.26-16,728.84

Finding the Fourth Proportional to 30,157.43, 41,617.26 and 16,728.84

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Solution

The fourth proportional to 30,157.43, 41,617.26 and 16,728.84 is: 23,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.43 : 41,617.26 = 16,728.84 : x
  2. Step 2: Convert to fraction form
    30,157.43/41,617.26 = 16,728.84/x
  3. Step 3: Cross multiply
    30,157.43x = 41,617.26 × 16,728.84
  4. Step 4: Simplify right side
    30,157.43x = 696,208,483.78
  5. Step 5: Solve for x
    x = 696,208,483.78/30,157.43
  6. Step 6: Final answer
    x = 23,085.81

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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.