Home / 26,383.20-39,632.40-18,607.20

Finding the Fourth Proportional to 26,383.20, 39,632.40 and 18,607.20

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Solution

The fourth proportional to 26,383.20, 39,632.40 and 18,607.20 is: 27,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,383.20 : 39,632.40 = 18,607.20 : x
  2. Step 2: Convert to fraction form
    26,383.20/39,632.40 = 18,607.20/x
  3. Step 3: Cross multiply
    26,383.20x = 39,632.40 × 18,607.20
  4. Step 4: Simplify right side
    26,383.20x = 737,447,993.28
  5. Step 5: Solve for x
    x = 737,447,993.28/26,383.20
  6. Step 6: Final answer
    x = 27,951.42

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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.