Home / 29,728.77-41,003.97-18,981.03

Finding the Fourth Proportional to 29,728.77, 41,003.97 and 18,981.03

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Solution

The fourth proportional to 29,728.77, 41,003.97 and 18,981.03 is: 26,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.77 : 41,003.97 = 18,981.03 : x
  2. Step 2: Convert to fraction form
    29,728.77/41,003.97 = 18,981.03/x
  3. Step 3: Cross multiply
    29,728.77x = 41,003.97 × 18,981.03
  4. Step 4: Simplify right side
    29,728.77x = 778,297,774.04
  5. Step 5: Solve for x
    x = 778,297,774.04/29,728.77
  6. Step 6: Final answer
    x = 26,179.95

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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.