Home / 28,040.46-38,691.41-16,709.67

Finding the Fourth Proportional to 28,040.46, 38,691.41 and 16,709.67

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Solution

The fourth proportional to 28,040.46, 38,691.41 and 16,709.67 is: 23,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.46 : 38,691.41 = 16,709.67 : x
  2. Step 2: Convert to fraction form
    28,040.46/38,691.41 = 16,709.67/x
  3. Step 3: Cross multiply
    28,040.46x = 38,691.41 × 16,709.67
  4. Step 4: Simplify right side
    28,040.46x = 646,520,609.39
  5. Step 5: Solve for x
    x = 646,520,609.39/28,040.46
  6. Step 6: Final answer
    x = 23,056.71

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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.