Home / 27,630.64-41,413.49-12,808.36

Finding the Fourth Proportional to 27,630.64, 41,413.49 and 12,808.36

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Solution

The fourth proportional to 27,630.64, 41,413.49 and 12,808.36 is: 19,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,630.64 : 41,413.49 = 12,808.36 : x
  2. Step 2: Convert to fraction form
    27,630.64/41,413.49 = 12,808.36/x
  3. Step 3: Cross multiply
    27,630.64x = 41,413.49 × 12,808.36
  4. Step 4: Simplify right side
    27,630.64x = 530,438,817.26
  5. Step 5: Solve for x
    x = 530,438,817.26/27,630.64
  6. Step 6: Final answer
    x = 19,197.49

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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.