Home / 28,728.41-43,081.94-10,003.64

Finding the Fourth Proportional to 28,728.41, 43,081.94 and 10,003.64

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Solution

The fourth proportional to 28,728.41, 43,081.94 and 10,003.64 is: 15,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.41 : 43,081.94 = 10,003.64 : x
  2. Step 2: Convert to fraction form
    28,728.41/43,081.94 = 10,003.64/x
  3. Step 3: Cross multiply
    28,728.41x = 43,081.94 × 10,003.64
  4. Step 4: Simplify right side
    28,728.41x = 430,976,027.86
  5. Step 5: Solve for x
    x = 430,976,027.86/28,728.41
  6. Step 6: Final answer
    x = 15,001.74

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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.