Home / 25,485.78-35,170.60-14,873.34

Finding the Fourth Proportional to 25,485.78, 35,170.60 and 14,873.34

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Solution

The fourth proportional to 25,485.78, 35,170.60 and 14,873.34 is: 20,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.78 : 35,170.60 = 14,873.34 : x
  2. Step 2: Convert to fraction form
    25,485.78/35,170.60 = 14,873.34/x
  3. Step 3: Cross multiply
    25,485.78x = 35,170.60 × 14,873.34
  4. Step 4: Simplify right side
    25,485.78x = 523,104,291.80
  5. Step 5: Solve for x
    x = 523,104,291.80/25,485.78
  6. Step 6: Final answer
    x = 20,525.34

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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.