Home / 26,908.14-40,368.35-8,190.83

Finding the Fourth Proportional to 26,908.14, 40,368.35 and 8,190.83

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Solution

The fourth proportional to 26,908.14, 40,368.35 and 8,190.83 is: 12,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908.14 : 40,368.35 = 8,190.83 : x
  2. Step 2: Convert to fraction form
    26,908.14/40,368.35 = 8,190.83/x
  3. Step 3: Cross multiply
    26,908.14x = 40,368.35 × 8,190.83
  4. Step 4: Simplify right side
    26,908.14x = 330,650,413.63
  5. Step 5: Solve for x
    x = 330,650,413.63/26,908.14
  6. Step 6: Final answer
    x = 12,288.12

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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.