Home / 25,699.96-38,556.04-8,169.80

Finding the Fourth Proportional to 25,699.96, 38,556.04 and 8,169.80

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Solution

The fourth proportional to 25,699.96, 38,556.04 and 8,169.80 is: 12,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.96 : 38,556.04 = 8,169.80 : x
  2. Step 2: Convert to fraction form
    25,699.96/38,556.04 = 8,169.80/x
  3. Step 3: Cross multiply
    25,699.96x = 38,556.04 × 8,169.80
  4. Step 4: Simplify right side
    25,699.96x = 314,995,135.59
  5. Step 5: Solve for x
    x = 314,995,135.59/25,699.96
  6. Step 6: Final answer
    x = 12,256.64

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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.