Home / 27,984.74-41,977.20-11,345.10

Finding the Fourth Proportional to 27,984.74, 41,977.20 and 11,345.10

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Solution

The fourth proportional to 27,984.74, 41,977.20 and 11,345.10 is: 17,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.74 : 41,977.20 = 11,345.10 : x
  2. Step 2: Convert to fraction form
    27,984.74/41,977.20 = 11,345.10/x
  3. Step 3: Cross multiply
    27,984.74x = 41,977.20 × 11,345.10
  4. Step 4: Simplify right side
    27,984.74x = 476,235,531.72
  5. Step 5: Solve for x
    x = 476,235,531.72/27,984.74
  6. Step 6: Final answer
    x = 17,017.69

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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.