Home / 27,418.62-41,128.06-9,875.90

Finding the Fourth Proportional to 27,418.62, 41,128.06 and 9,875.90

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Solution

The fourth proportional to 27,418.62, 41,128.06 and 9,875.90 is: 14,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.62 : 41,128.06 = 9,875.90 : x
  2. Step 2: Convert to fraction form
    27,418.62/41,128.06 = 9,875.90/x
  3. Step 3: Cross multiply
    27,418.62x = 41,128.06 × 9,875.90
  4. Step 4: Simplify right side
    27,418.62x = 406,176,607.75
  5. Step 5: Solve for x
    x = 406,176,607.75/27,418.62
  6. Step 6: Final answer
    x = 14,813.90

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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.