Home / 28,802.03-43,198.94-9,078.02

Finding the Fourth Proportional to 28,802.03, 43,198.94 and 9,078.02

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Solution

The fourth proportional to 28,802.03, 43,198.94 and 9,078.02 is: 13,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802.03 : 43,198.94 = 9,078.02 : x
  2. Step 2: Convert to fraction form
    28,802.03/43,198.94 = 9,078.02/x
  3. Step 3: Cross multiply
    28,802.03x = 43,198.94 × 9,078.02
  4. Step 4: Simplify right side
    28,802.03x = 392,160,971.99
  5. Step 5: Solve for x
    x = 392,160,971.99/28,802.03
  6. Step 6: Final answer
    x = 13,615.74

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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.