Home / 17,845.60-26,768.40-17,165.20

Finding the Fourth Proportional to 17,845.60, 26,768.40 and 17,165.20

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Solution

The fourth proportional to 17,845.60, 26,768.40 and 17,165.20 is: 25,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.60 : 26,768.40 = 17,165.20 : x
  2. Step 2: Convert to fraction form
    17,845.60/26,768.40 = 17,165.20/x
  3. Step 3: Cross multiply
    17,845.60x = 26,768.40 × 17,165.20
  4. Step 4: Simplify right side
    17,845.60x = 459,484,939.68
  5. Step 5: Solve for x
    x = 459,484,939.68/17,845.60
  6. Step 6: Final answer
    x = 25,747.80

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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.