Home / 16,845.60-25,268.40-13,735.20

Finding the Fourth Proportional to 16,845.60, 25,268.40 and 13,735.20

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Solution

The fourth proportional to 16,845.60, 25,268.40 and 13,735.20 is: 20,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.60 : 25,268.40 = 13,735.20 : x
  2. Step 2: Convert to fraction form
    16,845.60/25,268.40 = 13,735.20/x
  3. Step 3: Cross multiply
    16,845.60x = 25,268.40 × 13,735.20
  4. Step 4: Simplify right side
    16,845.60x = 347,066,527.68
  5. Step 5: Solve for x
    x = 347,066,527.68/16,845.60
  6. Step 6: Final answer
    x = 20,602.80

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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.