Home / 27,669.33-41,503.86-12,870.09

Finding the Fourth Proportional to 27,669.33, 41,503.86 and 12,870.09

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Solution

The fourth proportional to 27,669.33, 41,503.86 and 12,870.09 is: 19,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.33 : 41,503.86 = 12,870.09 : x
  2. Step 2: Convert to fraction form
    27,669.33/41,503.86 = 12,870.09/x
  3. Step 3: Cross multiply
    27,669.33x = 41,503.86 × 12,870.09
  4. Step 4: Simplify right side
    27,669.33x = 534,158,413.55
  5. Step 5: Solve for x
    x = 534,158,413.55/27,669.33
  6. Step 6: Final answer
    x = 19,305.07

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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.