Home / 26,778.75-36,903.71-19,610.87

Finding the Fourth Proportional to 26,778.75, 36,903.71 and 19,610.87

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Solution

The fourth proportional to 26,778.75, 36,903.71 and 19,610.87 is: 27,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.75 : 36,903.71 = 19,610.87 : x
  2. Step 2: Convert to fraction form
    26,778.75/36,903.71 = 19,610.87/x
  3. Step 3: Cross multiply
    26,778.75x = 36,903.71 × 19,610.87
  4. Step 4: Simplify right side
    26,778.75x = 723,713,576.75
  5. Step 5: Solve for x
    x = 723,713,576.75/26,778.75
  6. Step 6: Final answer
    x = 27,025.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.