Home / 30,157.54-41,617.25-16,728.65

Finding the Fourth Proportional to 30,157.54, 41,617.25 and 16,728.65

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Solution

The fourth proportional to 30,157.54, 41,617.25 and 16,728.65 is: 23,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.54 : 41,617.25 = 16,728.65 : x
  2. Step 2: Convert to fraction form
    30,157.54/41,617.25 = 16,728.65/x
  3. Step 3: Cross multiply
    30,157.54x = 41,617.25 × 16,728.65
  4. Step 4: Simplify right side
    30,157.54x = 696,200,325.57
  5. Step 5: Solve for x
    x = 696,200,325.57/30,157.54
  6. Step 6: Final answer
    x = 23,085.45

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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.