Home / 25,639.56-35,383.50-15,028.56

Finding the Fourth Proportional to 25,639.56, 35,383.50 and 15,028.56

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Solution

The fourth proportional to 25,639.56, 35,383.50 and 15,028.56 is: 20,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.56 : 35,383.50 = 15,028.56 : x
  2. Step 2: Convert to fraction form
    25,639.56/35,383.50 = 15,028.56/x
  3. Step 3: Cross multiply
    25,639.56x = 35,383.50 × 15,028.56
  4. Step 4: Simplify right side
    25,639.56x = 531,763,052.76
  5. Step 5: Solve for x
    x = 531,763,052.76/25,639.56
  6. Step 6: Final answer
    x = 20,739.94

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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.