Home / 22,028.44-30,391.84-12,590.32

Finding the Fourth Proportional to 22,028.44, 30,391.84 and 12,590.32

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Solution

The fourth proportional to 22,028.44, 30,391.84 and 12,590.32 is: 17,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.44 : 30,391.84 = 12,590.32 : x
  2. Step 2: Convert to fraction form
    22,028.44/30,391.84 = 12,590.32/x
  3. Step 3: Cross multiply
    22,028.44x = 30,391.84 × 12,590.32
  4. Step 4: Simplify right side
    22,028.44x = 382,642,990.99
  5. Step 5: Solve for x
    x = 382,642,990.99/22,028.44
  6. Step 6: Final answer
    x = 17,370.41

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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.