Home / 27,630.77-41,413.68-12,808.49

Finding the Fourth Proportional to 27,630.77, 41,413.68 and 12,808.49

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Solution

The fourth proportional to 27,630.77, 41,413.68 and 12,808.49 is: 19,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.77 : 41,413.68 = 12,808.49 : x
  2. Step 2: Convert to fraction form
    27,630.77/41,413.68 = 12,808.49/x
  3. Step 3: Cross multiply
    27,630.77x = 41,413.68 × 12,808.49
  4. Step 4: Simplify right side
    27,630.77x = 530,446,499.07
  5. Step 5: Solve for x
    x = 530,446,499.07/27,630.77
  6. Step 6: Final answer
    x = 19,197.68

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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.