Home / 25,641.36-38,467.53-8,112.60

Finding the Fourth Proportional to 25,641.36, 38,467.53 and 8,112.60

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Solution

The fourth proportional to 25,641.36, 38,467.53 and 8,112.60 is: 12,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.36 : 38,467.53 = 8,112.60 : x
  2. Step 2: Convert to fraction form
    25,641.36/38,467.53 = 8,112.60/x
  3. Step 3: Cross multiply
    25,641.36x = 38,467.53 × 8,112.60
  4. Step 4: Simplify right side
    25,641.36x = 312,071,683.88
  5. Step 5: Solve for x
    x = 312,071,683.88/25,641.36
  6. Step 6: Final answer
    x = 12,170.64

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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.