Home / 26,969.68-40,421.24-19,162

Finding the Fourth Proportional to 26,969.68, 40,421.24 and 19,162

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Solution

The fourth proportional to 26,969.68, 40,421.24 and 19,162 is: 28,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.68 : 40,421.24 = 19,162 : x
  2. Step 2: Convert to fraction form
    26,969.68/40,421.24 = 19,162/x
  3. Step 3: Cross multiply
    26,969.68x = 40,421.24 × 19,162
  4. Step 4: Simplify right side
    26,969.68x = 774,551,800.88
  5. Step 5: Solve for x
    x = 774,551,800.88/26,969.68
  6. Step 6: Final answer
    x = 28,719.35

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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.