Home / 20,392.07-28,111.27-14,413.19

Finding the Fourth Proportional to 20,392.07, 28,111.27 and 14,413.19

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Solution

The fourth proportional to 20,392.07, 28,111.27 and 14,413.19 is: 19,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.07 : 28,111.27 = 14,413.19 : x
  2. Step 2: Convert to fraction form
    20,392.07/28,111.27 = 14,413.19/x
  3. Step 3: Cross multiply
    20,392.07x = 28,111.27 × 14,413.19
  4. Step 4: Simplify right side
    20,392.07x = 405,173,003.59
  5. Step 5: Solve for x
    x = 405,173,003.59/20,392.07
  6. Step 6: Final answer
    x = 19,869.15

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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.