Home / 28,216.58-42,325.66-12,413.38

Finding the Fourth Proportional to 28,216.58, 42,325.66 and 12,413.38

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Solution

The fourth proportional to 28,216.58, 42,325.66 and 12,413.38 is: 18,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.58 : 42,325.66 = 12,413.38 : x
  2. Step 2: Convert to fraction form
    28,216.58/42,325.66 = 12,413.38/x
  3. Step 3: Cross multiply
    28,216.58x = 42,325.66 × 12,413.38
  4. Step 4: Simplify right side
    28,216.58x = 525,404,501.33
  5. Step 5: Solve for x
    x = 525,404,501.33/28,216.58
  6. Step 6: Final answer
    x = 18,620.42

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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.