Home / 26,413.57-39,645.02-13,942.81

Finding the Fourth Proportional to 26,413.57, 39,645.02 and 13,942.81

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Solution

The fourth proportional to 26,413.57, 39,645.02 and 13,942.81 is: 20,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.57 : 39,645.02 = 13,942.81 : x
  2. Step 2: Convert to fraction form
    26,413.57/39,645.02 = 13,942.81/x
  3. Step 3: Cross multiply
    26,413.57x = 39,645.02 × 13,942.81
  4. Step 4: Simplify right side
    26,413.57x = 552,762,981.31
  5. Step 5: Solve for x
    x = 552,762,981.31/26,413.57
  6. Step 6: Final answer
    x = 20,927.23

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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.