Home / 28,723.28-43,091.94-10,000.64

Finding the Fourth Proportional to 28,723.28, 43,091.94 and 10,000.64

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Solution

The fourth proportional to 28,723.28, 43,091.94 and 10,000.64 is: 15,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.28 : 43,091.94 = 10,000.64 : x
  2. Step 2: Convert to fraction form
    28,723.28/43,091.94 = 10,000.64/x
  3. Step 3: Cross multiply
    28,723.28x = 43,091.94 × 10,000.64
  4. Step 4: Simplify right side
    28,723.28x = 430,946,978.84
  5. Step 5: Solve for x
    x = 430,946,978.84/28,723.28
  6. Step 6: Final answer
    x = 15,003.40

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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.