Home / 26,430.73-39,568.31-17,643.85

Finding the Fourth Proportional to 26,430.73, 39,568.31 and 17,643.85

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Solution

The fourth proportional to 26,430.73, 39,568.31 and 17,643.85 is: 26,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.73 : 39,568.31 = 17,643.85 : x
  2. Step 2: Convert to fraction form
    26,430.73/39,568.31 = 17,643.85/x
  3. Step 3: Cross multiply
    26,430.73x = 39,568.31 × 17,643.85
  4. Step 4: Simplify right side
    26,430.73x = 698,137,040.33
  5. Step 5: Solve for x
    x = 698,137,040.33/26,430.73
  6. Step 6: Final answer
    x = 26,413.84

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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.