Home / 28,413.56-39,226.92-18,866.36

Finding the Fourth Proportional to 28,413.56, 39,226.92 and 18,866.36

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Solution

The fourth proportional to 28,413.56, 39,226.92 and 18,866.36 is: 26,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.56 : 39,226.92 = 18,866.36 : x
  2. Step 2: Convert to fraction form
    28,413.56/39,226.92 = 18,866.36/x
  3. Step 3: Cross multiply
    28,413.56x = 39,226.92 × 18,866.36
  4. Step 4: Simplify right side
    28,413.56x = 740,069,194.41
  5. Step 5: Solve for x
    x = 740,069,194.41/28,413.56
  6. Step 6: Final answer
    x = 26,046.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.