Home / 28,259.22-39,004.89-19,310.34

Finding the Fourth Proportional to 28,259.22, 39,004.89 and 19,310.34

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Solution

The fourth proportional to 28,259.22, 39,004.89 and 19,310.34 is: 26,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.22 : 39,004.89 = 19,310.34 : x
  2. Step 2: Convert to fraction form
    28,259.22/39,004.89 = 19,310.34/x
  3. Step 3: Cross multiply
    28,259.22x = 39,004.89 × 19,310.34
  4. Step 4: Simplify right side
    28,259.22x = 753,197,687.56
  5. Step 5: Solve for x
    x = 753,197,687.56/28,259.22
  6. Step 6: Final answer
    x = 26,653.17

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Similar ratio
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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.