Home / 28,748.22-39,672.27-16,173.06

Finding the Fourth Proportional to 28,748.22, 39,672.27 and 16,173.06

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Solution

The fourth proportional to 28,748.22, 39,672.27 and 16,173.06 is: 22,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.22 : 39,672.27 = 16,173.06 : x
  2. Step 2: Convert to fraction form
    28,748.22/39,672.27 = 16,173.06/x
  3. Step 3: Cross multiply
    28,748.22x = 39,672.27 × 16,173.06
  4. Step 4: Simplify right side
    28,748.22x = 641,622,003.05
  5. Step 5: Solve for x
    x = 641,622,003.05/28,748.22
  6. Step 6: Final answer
    x = 22,318.67

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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.