Home / 28,969.28-43,457.46-10,245.44

Finding the Fourth Proportional to 28,969.28, 43,457.46 and 10,245.44

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Solution

The fourth proportional to 28,969.28, 43,457.46 and 10,245.44 is: 15,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.28 : 43,457.46 = 10,245.44 : x
  2. Step 2: Convert to fraction form
    28,969.28/43,457.46 = 10,245.44/x
  3. Step 3: Cross multiply
    28,969.28x = 43,457.46 × 10,245.44
  4. Step 4: Simplify right side
    28,969.28x = 445,240,798.98
  5. Step 5: Solve for x
    x = 445,240,798.98/28,969.28
  6. Step 6: Final answer
    x = 15,369.41

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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.