Home / 25,556.99-35,258.85-18,858.60

Finding the Fourth Proportional to 25,556.99, 35,258.85 and 18,858.60

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Solution

The fourth proportional to 25,556.99, 35,258.85 and 18,858.60 is: 26,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.99 : 35,258.85 = 18,858.60 : x
  2. Step 2: Convert to fraction form
    25,556.99/35,258.85 = 18,858.60/x
  3. Step 3: Cross multiply
    25,556.99x = 35,258.85 × 18,858.60
  4. Step 4: Simplify right side
    25,556.99x = 664,932,548.61
  5. Step 5: Solve for x
    x = 664,932,548.61/25,556.99
  6. Step 6: Final answer
    x = 26,017.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.