Home / 26,271.81-39,413.66-8,742.33

Finding the Fourth Proportional to 26,271.81, 39,413.66 and 8,742.33

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Solution

The fourth proportional to 26,271.81, 39,413.66 and 8,742.33 is: 13,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.81 : 39,413.66 = 8,742.33 : x
  2. Step 2: Convert to fraction form
    26,271.81/39,413.66 = 8,742.33/x
  3. Step 3: Cross multiply
    26,271.81x = 39,413.66 × 8,742.33
  4. Step 4: Simplify right side
    26,271.81x = 344,567,178.52
  5. Step 5: Solve for x
    x = 344,567,178.52/26,271.81
  6. Step 6: Final answer
    x = 13,115.47

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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.