Home / 25,628.40-35,370.66-15,022.28

Finding the Fourth Proportional to 25,628.40, 35,370.66 and 15,022.28

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Solution

The fourth proportional to 25,628.40, 35,370.66 and 15,022.28 is: 20,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.40 : 35,370.66 = 15,022.28 : x
  2. Step 2: Convert to fraction form
    25,628.40/35,370.66 = 15,022.28/x
  3. Step 3: Cross multiply
    25,628.40x = 35,370.66 × 15,022.28
  4. Step 4: Simplify right side
    25,628.40x = 531,347,958.30
  5. Step 5: Solve for x
    x = 531,347,958.30/25,628.40
  6. Step 6: Final answer
    x = 20,732.78

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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.