Home / 28,768.82-39,607.53-22,768.34

Finding the Fourth Proportional to 28,768.82, 39,607.53 and 22,768.34

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Solution

The fourth proportional to 28,768.82, 39,607.53 and 22,768.34 is: 31,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.82 : 39,607.53 = 22,768.34 : x
  2. Step 2: Convert to fraction form
    28,768.82/39,607.53 = 22,768.34/x
  3. Step 3: Cross multiply
    28,768.82x = 39,607.53 × 22,768.34
  4. Step 4: Simplify right side
    28,768.82x = 901,797,709.60
  5. Step 5: Solve for x
    x = 901,797,709.60/28,768.82
  6. Step 6: Final answer
    x = 31,346.36

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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.