Home / 26,735.60-40,103.40-18,441.20

Finding the Fourth Proportional to 26,735.60, 40,103.40 and 18,441.20

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Solution

The fourth proportional to 26,735.60, 40,103.40 and 18,441.20 is: 27,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,735.60 : 40,103.40 = 18,441.20 : x
  2. Step 2: Convert to fraction form
    26,735.60/40,103.40 = 18,441.20/x
  3. Step 3: Cross multiply
    26,735.60x = 40,103.40 × 18,441.20
  4. Step 4: Simplify right side
    26,735.60x = 739,554,820.08
  5. Step 5: Solve for x
    x = 739,554,820.08/26,735.60
  6. Step 6: Final answer
    x = 27,661.80

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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.