Home / 26,628.21-39,928.41-7,905.67

Finding the Fourth Proportional to 26,628.21, 39,928.41 and 7,905.67

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Solution

The fourth proportional to 26,628.21, 39,928.41 and 7,905.67 is: 11,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.21 : 39,928.41 = 7,905.67 : x
  2. Step 2: Convert to fraction form
    26,628.21/39,928.41 = 7,905.67/x
  3. Step 3: Cross multiply
    26,628.21x = 39,928.41 × 7,905.67
  4. Step 4: Simplify right side
    26,628.21x = 315,660,733.26
  5. Step 5: Solve for x
    x = 315,660,733.26/26,628.21
  6. Step 6: Final answer
    x = 11,854.37

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1.5x scale

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.