Home / 26,911.95-40,367.64-9,381.75

Finding the Fourth Proportional to 26,911.95, 40,367.64 and 9,381.75

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Solution

The fourth proportional to 26,911.95, 40,367.64 and 9,381.75 is: 14,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.95 : 40,367.64 = 9,381.75 : x
  2. Step 2: Convert to fraction form
    26,911.95/40,367.64 = 9,381.75/x
  3. Step 3: Cross multiply
    26,911.95x = 40,367.64 × 9,381.75
  4. Step 4: Simplify right side
    26,911.95x = 378,719,106.57
  5. Step 5: Solve for x
    x = 378,719,106.57/26,911.95
  6. Step 6: Final answer
    x = 14,072.53

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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.