Home / 23,211.20-34,759.20-18,603.20

Finding the Fourth Proportional to 23,211.20, 34,759.20 and 18,603.20

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Solution

The fourth proportional to 23,211.20, 34,759.20 and 18,603.20 is: 27,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.20 : 34,759.20 = 18,603.20 : x
  2. Step 2: Convert to fraction form
    23,211.20/34,759.20 = 18,603.20/x
  3. Step 3: Cross multiply
    23,211.20x = 34,759.20 × 18,603.20
  4. Step 4: Simplify right side
    23,211.20x = 646,632,349.44
  5. Step 5: Solve for x
    x = 646,632,349.44/23,211.20
  6. Step 6: Final answer
    x = 27,858.64

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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.