Home / 28,619.44-39,503.08-17,287.16

Finding the Fourth Proportional to 28,619.44, 39,503.08 and 17,287.16

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Solution

The fourth proportional to 28,619.44, 39,503.08 and 17,287.16 is: 23,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.44 : 39,503.08 = 17,287.16 : x
  2. Step 2: Convert to fraction form
    28,619.44/39,503.08 = 17,287.16/x
  3. Step 3: Cross multiply
    28,619.44x = 39,503.08 × 17,287.16
  4. Step 4: Simplify right side
    28,619.44x = 682,896,064.45
  5. Step 5: Solve for x
    x = 682,896,064.45/28,619.44
  6. Step 6: Final answer
    x = 23,861.27

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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.