Home / 38,628.42-57,886.74-18,884.67

Finding the Fourth Proportional to 38,628.42, 57,886.74 and 18,884.67

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Solution

The fourth proportional to 38,628.42, 57,886.74 and 18,884.67 is: 28,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.42 : 57,886.74 = 18,884.67 : x
  2. Step 2: Convert to fraction form
    38,628.42/57,886.74 = 18,884.67/x
  3. Step 3: Cross multiply
    38,628.42x = 57,886.74 × 18,884.67
  4. Step 4: Simplify right side
    38,628.42x = 1,093,171,982.28
  5. Step 5: Solve for x
    x = 1,093,171,982.28/38,628.42
  6. Step 6: Final answer
    x = 28,299.68

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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.