Home / 28,605.33-39,479.22-16,672.41

Finding the Fourth Proportional to 28,605.33, 39,479.22 and 16,672.41

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Solution

The fourth proportional to 28,605.33, 39,479.22 and 16,672.41 is: 23,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.33 : 39,479.22 = 16,672.41 : x
  2. Step 2: Convert to fraction form
    28,605.33/39,479.22 = 16,672.41/x
  3. Step 3: Cross multiply
    28,605.33x = 39,479.22 × 16,672.41
  4. Step 4: Simplify right side
    28,605.33x = 658,213,742.32
  5. Step 5: Solve for x
    x = 658,213,742.32/28,605.33
  6. Step 6: Final answer
    x = 23,010.18

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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.