Home / 18,040.78-27,062.64-5,560.81

Finding the Fourth Proportional to 18,040.78, 27,062.64 and 5,560.81

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Solution

The fourth proportional to 18,040.78, 27,062.64 and 5,560.81 is: 8,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.78 : 27,062.64 = 5,560.81 : x
  2. Step 2: Convert to fraction form
    18,040.78/27,062.64 = 5,560.81/x
  3. Step 3: Cross multiply
    18,040.78x = 27,062.64 × 5,560.81
  4. Step 4: Simplify right side
    18,040.78x = 150,490,199.14
  5. Step 5: Solve for x
    x = 150,490,199.14/18,040.78
  6. Step 6: Final answer
    x = 8,341.67

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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.