Home / 18,529.70-25,399.44-18,280.49

Finding the Fourth Proportional to 18,529.70, 25,399.44 and 18,280.49

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Solution

The fourth proportional to 18,529.70, 25,399.44 and 18,280.49 is: 25,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.70 : 25,399.44 = 18,280.49 : x
  2. Step 2: Convert to fraction form
    18,529.70/25,399.44 = 18,280.49/x
  3. Step 3: Cross multiply
    18,529.70x = 25,399.44 × 18,280.49
  4. Step 4: Simplify right side
    18,529.70x = 464,314,081.93
  5. Step 5: Solve for x
    x = 464,314,081.93/18,529.70
  6. Step 6: Final answer
    x = 25,057.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.