Home / 25,944.58-35,771.27-21,639.61

Finding the Fourth Proportional to 25,944.58, 35,771.27 and 21,639.61

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Solution

The fourth proportional to 25,944.58, 35,771.27 and 21,639.61 is: 29,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,944.58 : 35,771.27 = 21,639.61 : x
  2. Step 2: Convert to fraction form
    25,944.58/35,771.27 = 21,639.61/x
  3. Step 3: Cross multiply
    25,944.58x = 35,771.27 × 21,639.61
  4. Step 4: Simplify right side
    25,944.58x = 774,076,189.03
  5. Step 5: Solve for x
    x = 774,076,189.03/25,944.58
  6. Step 6: Final answer
    x = 29,835.76

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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.