Home / 25,845.55-38,768.23-8,315.37

Finding the Fourth Proportional to 25,845.55, 38,768.23 and 8,315.37

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Solution

The fourth proportional to 25,845.55, 38,768.23 and 8,315.37 is: 12,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.55 : 38,768.23 = 8,315.37 : x
  2. Step 2: Convert to fraction form
    25,845.55/38,768.23 = 8,315.37/x
  3. Step 3: Cross multiply
    25,845.55x = 38,768.23 × 8,315.37
  4. Step 4: Simplify right side
    25,845.55x = 322,372,187.09
  5. Step 5: Solve for x
    x = 322,372,187.09/25,845.55
  6. Step 6: Final answer
    x = 12,473.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.