Home / 28,704.28-39,631.24-25,669.99

Finding the Fourth Proportional to 28,704.28, 39,631.24 and 25,669.99

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Solution

The fourth proportional to 28,704.28, 39,631.24 and 25,669.99 is: 35,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.28 : 39,631.24 = 25,669.99 : x
  2. Step 2: Convert to fraction form
    28,704.28/39,631.24 = 25,669.99/x
  3. Step 3: Cross multiply
    28,704.28x = 39,631.24 × 25,669.99
  4. Step 4: Simplify right side
    28,704.28x = 1,017,333,615.32
  5. Step 5: Solve for x
    x = 1,017,333,615.32/28,704.28
  6. Step 6: Final answer
    x = 35,441.87

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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.