Home / 26,662.96-39,969.51-11,863.84

Finding the Fourth Proportional to 26,662.96, 39,969.51 and 11,863.84

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Solution

The fourth proportional to 26,662.96, 39,969.51 and 11,863.84 is: 17,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.96 : 39,969.51 = 11,863.84 : x
  2. Step 2: Convert to fraction form
    26,662.96/39,969.51 = 11,863.84/x
  3. Step 3: Cross multiply
    26,662.96x = 39,969.51 × 11,863.84
  4. Step 4: Simplify right side
    26,662.96x = 474,191,871.52
  5. Step 5: Solve for x
    x = 474,191,871.52/26,662.96
  6. Step 6: Final answer
    x = 17,784.67

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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.