Home / 28,704.65-43,038.27-9,983.25

Finding the Fourth Proportional to 28,704.65, 43,038.27 and 9,983.25

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Solution

The fourth proportional to 28,704.65, 43,038.27 and 9,983.25 is: 14,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.65 : 43,038.27 = 9,983.25 : x
  2. Step 2: Convert to fraction form
    28,704.65/43,038.27 = 9,983.25/x
  3. Step 3: Cross multiply
    28,704.65x = 43,038.27 × 9,983.25
  4. Step 4: Simplify right side
    28,704.65x = 429,661,808.98
  5. Step 5: Solve for x
    x = 429,661,808.98/28,704.65
  6. Step 6: Final answer
    x = 14,968.37

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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.