Home / 25,481.08-38,221.41-8,840.84

Finding the Fourth Proportional to 25,481.08, 38,221.41 and 8,840.84

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Solution

The fourth proportional to 25,481.08, 38,221.41 and 8,840.84 is: 13,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.08 : 38,221.41 = 8,840.84 : x
  2. Step 2: Convert to fraction form
    25,481.08/38,221.41 = 8,840.84/x
  3. Step 3: Cross multiply
    25,481.08x = 38,221.41 × 8,840.84
  4. Step 4: Simplify right side
    25,481.08x = 337,909,370.38
  5. Step 5: Solve for x
    x = 337,909,370.38/25,481.08
  6. Step 6: Final answer
    x = 13,261.19

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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.