Home / 27,603.75-41,412.15-9,135.75

Finding the Fourth Proportional to 27,603.75, 41,412.15 and 9,135.75

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Solution

The fourth proportional to 27,603.75, 41,412.15 and 9,135.75 is: 13,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.75 : 41,412.15 = 9,135.75 : x
  2. Step 2: Convert to fraction form
    27,603.75/41,412.15 = 9,135.75/x
  3. Step 3: Cross multiply
    27,603.75x = 41,412.15 × 9,135.75
  4. Step 4: Simplify right side
    27,603.75x = 378,331,049.36
  5. Step 5: Solve for x
    x = 378,331,049.36/27,603.75
  6. Step 6: Final answer
    x = 13,705.78

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1.5x scale

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.