Home / 28,226.54-38,920.51-23,105.77

Finding the Fourth Proportional to 28,226.54, 38,920.51 and 23,105.77

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Solution

The fourth proportional to 28,226.54, 38,920.51 and 23,105.77 is: 31,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.54 : 38,920.51 = 23,105.77 : x
  2. Step 2: Convert to fraction form
    28,226.54/38,920.51 = 23,105.77/x
  3. Step 3: Cross multiply
    28,226.54x = 38,920.51 × 23,105.77
  4. Step 4: Simplify right side
    28,226.54x = 899,288,236.81
  5. Step 5: Solve for x
    x = 899,288,236.81/28,226.54
  6. Step 6: Final answer
    x = 31,859.67

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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.