Home / 21,583.44-29,785.12-12,632.64

Finding the Fourth Proportional to 21,583.44, 29,785.12 and 12,632.64

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Solution

The fourth proportional to 21,583.44, 29,785.12 and 12,632.64 is: 17,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.44 : 29,785.12 = 12,632.64 : x
  2. Step 2: Convert to fraction form
    21,583.44/29,785.12 = 12,632.64/x
  3. Step 3: Cross multiply
    21,583.44x = 29,785.12 × 12,632.64
  4. Step 4: Simplify right side
    21,583.44x = 376,264,698.32
  5. Step 5: Solve for x
    x = 376,264,698.32/21,583.44
  6. Step 6: Final answer
    x = 17,433.03

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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.