Home / 27,161.64-40,742.50-7,440.37

Finding the Fourth Proportional to 27,161.64, 40,742.50 and 7,440.37

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Solution

The fourth proportional to 27,161.64, 40,742.50 and 7,440.37 is: 11,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.64 : 40,742.50 = 7,440.37 : x
  2. Step 2: Convert to fraction form
    27,161.64/40,742.50 = 7,440.37/x
  3. Step 3: Cross multiply
    27,161.64x = 40,742.50 × 7,440.37
  4. Step 4: Simplify right side
    27,161.64x = 303,139,274.73
  5. Step 5: Solve for x
    x = 303,139,274.73/27,161.64
  6. Step 6: Final answer
    x = 11,160.57

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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.