Home / 28,820.44-39,770.82-16,245.16

Finding the Fourth Proportional to 28,820.44, 39,770.82 and 16,245.16

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Solution

The fourth proportional to 28,820.44, 39,770.82 and 16,245.16 is: 22,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.44 : 39,770.82 = 16,245.16 : x
  2. Step 2: Convert to fraction form
    28,820.44/39,770.82 = 16,245.16/x
  3. Step 3: Cross multiply
    28,820.44x = 39,770.82 × 16,245.16
  4. Step 4: Simplify right side
    28,820.44x = 646,083,334.23
  5. Step 5: Solve for x
    x = 646,083,334.23/28,820.44
  6. Step 6: Final answer
    x = 22,417.54

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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.