Home / 23,399.22-32,290.87-12,788.85

Finding the Fourth Proportional to 23,399.22, 32,290.87 and 12,788.85

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Solution

The fourth proportional to 23,399.22, 32,290.87 and 12,788.85 is: 17,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,399.22 : 32,290.87 = 12,788.85 : x
  2. Step 2: Convert to fraction form
    23,399.22/32,290.87 = 12,788.85/x
  3. Step 3: Cross multiply
    23,399.22x = 32,290.87 × 12,788.85
  4. Step 4: Simplify right side
    23,399.22x = 412,963,028.86
  5. Step 5: Solve for x
    x = 412,963,028.86/23,399.22
  6. Step 6: Final answer
    x = 17,648.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.