Home / 26,968.48-40,465.54-12,181.92

Finding the Fourth Proportional to 26,968.48, 40,465.54 and 12,181.92

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Solution

The fourth proportional to 26,968.48, 40,465.54 and 12,181.92 is: 18,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,968.48 : 40,465.54 = 12,181.92 : x
  2. Step 2: Convert to fraction form
    26,968.48/40,465.54 = 12,181.92/x
  3. Step 3: Cross multiply
    26,968.48x = 40,465.54 × 12,181.92
  4. Step 4: Simplify right side
    26,968.48x = 492,947,971.04
  5. Step 5: Solve for x
    x = 492,947,971.04/26,968.48
  6. Step 6: Final answer
    x = 18,278.67

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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.