Home / 26,367.20-39,637.20-18,629.60

Finding the Fourth Proportional to 26,367.20, 39,637.20 and 18,629.60

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Solution

The fourth proportional to 26,367.20, 39,637.20 and 18,629.60 is: 28,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,367.20 : 39,637.20 = 18,629.60 : x
  2. Step 2: Convert to fraction form
    26,367.20/39,637.20 = 18,629.60/x
  3. Step 3: Cross multiply
    26,367.20x = 39,637.20 × 18,629.60
  4. Step 4: Simplify right side
    26,367.20x = 738,425,181.12
  5. Step 5: Solve for x
    x = 738,425,181.12/26,367.20
  6. Step 6: Final answer
    x = 28,005.45

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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.