Home / 28,764.67-39,694.17-16,018.31

Finding the Fourth Proportional to 28,764.67, 39,694.17 and 16,018.31

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Solution

The fourth proportional to 28,764.67, 39,694.17 and 16,018.31 is: 22,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.67 : 39,694.17 = 16,018.31 : x
  2. Step 2: Convert to fraction form
    28,764.67/39,694.17 = 16,018.31/x
  3. Step 3: Cross multiply
    28,764.67x = 39,694.17 × 16,018.31
  4. Step 4: Simplify right side
    28,764.67x = 635,833,520.25
  5. Step 5: Solve for x
    x = 635,833,520.25/28,764.67
  6. Step 6: Final answer
    x = 22,104.67

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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.