Home / 25,778.10-38,667.21-8,249.34

Finding the Fourth Proportional to 25,778.10, 38,667.21 and 8,249.34

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Solution

The fourth proportional to 25,778.10, 38,667.21 and 8,249.34 is: 12,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.10 : 38,667.21 = 8,249.34 : x
  2. Step 2: Convert to fraction form
    25,778.10/38,667.21 = 8,249.34/x
  3. Step 3: Cross multiply
    25,778.10x = 38,667.21 × 8,249.34
  4. Step 4: Simplify right side
    25,778.10x = 318,978,962.14
  5. Step 5: Solve for x
    x = 318,978,962.14/25,778.10
  6. Step 6: Final answer
    x = 12,374.03

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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.