Home / 43,523.42-65,285.13-28,728.88

Finding the Fourth Proportional to 43,523.42, 65,285.13 and 28,728.88

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Solution

The fourth proportional to 43,523.42, 65,285.13 and 28,728.88 is: 43,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,523.42 : 65,285.13 = 28,728.88 : x
  2. Step 2: Convert to fraction form
    43,523.42/65,285.13 = 28,728.88/x
  3. Step 3: Cross multiply
    43,523.42x = 65,285.13 × 28,728.88
  4. Step 4: Simplify right side
    43,523.42x = 1,875,568,665.55
  5. Step 5: Solve for x
    x = 1,875,568,665.55/43,523.42
  6. Step 6: Final answer
    x = 43,093.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.