Home / 21,840.30-32,767.54-17,934.48

Finding the Fourth Proportional to 21,840.30, 32,767.54 and 17,934.48

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Solution

The fourth proportional to 21,840.30, 32,767.54 and 17,934.48 is: 26,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.30 : 32,767.54 = 17,934.48 : x
  2. Step 2: Convert to fraction form
    21,840.30/32,767.54 = 17,934.48/x
  3. Step 3: Cross multiply
    21,840.30x = 32,767.54 × 17,934.48
  4. Step 4: Simplify right side
    21,840.30x = 587,668,745.94
  5. Step 5: Solve for x
    x = 587,668,745.94/21,840.30
  6. Step 6: Final answer
    x = 26,907.54

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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.