Home / 30,157.04-41,616.56-16,728.15

Finding the Fourth Proportional to 30,157.04, 41,616.56 and 16,728.15

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Solution

The fourth proportional to 30,157.04, 41,616.56 and 16,728.15 is: 23,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.04 : 41,616.56 = 16,728.15 : x
  2. Step 2: Convert to fraction form
    30,157.04/41,616.56 = 16,728.15/x
  3. Step 3: Cross multiply
    30,157.04x = 41,616.56 × 16,728.15
  4. Step 4: Simplify right side
    30,157.04x = 696,167,974.52
  5. Step 5: Solve for x
    x = 696,167,974.52/30,157.04
  6. Step 6: Final answer
    x = 23,084.76

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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.