Home / 25,071.78-37,609.56-8,431.86

Finding the Fourth Proportional to 25,071.78, 37,609.56 and 8,431.86

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Solution

The fourth proportional to 25,071.78, 37,609.56 and 8,431.86 is: 12,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.78 : 37,609.56 = 8,431.86 : x
  2. Step 2: Convert to fraction form
    25,071.78/37,609.56 = 8,431.86/x
  3. Step 3: Cross multiply
    25,071.78x = 37,609.56 × 8,431.86
  4. Step 4: Simplify right side
    25,071.78x = 317,118,544.58
  5. Step 5: Solve for x
    x = 317,118,544.58/25,071.78
  6. Step 6: Final answer
    x = 12,648.43

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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.