Home / 25,939.15-35,940.59-25,378.63

Finding the Fourth Proportional to 25,939.15, 35,940.59 and 25,378.63

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Solution

The fourth proportional to 25,939.15, 35,940.59 and 25,378.63 is: 35,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,939.15 : 35,940.59 = 25,378.63 : x
  2. Step 2: Convert to fraction form
    25,939.15/35,940.59 = 25,378.63/x
  3. Step 3: Cross multiply
    25,939.15x = 35,940.59 × 25,378.63
  4. Step 4: Simplify right side
    25,939.15x = 912,122,935.59
  5. Step 5: Solve for x
    x = 912,122,935.59/25,939.15
  6. Step 6: Final answer
    x = 35,163.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.