Home / 21,568.44-29,728.62-14,842.68

Finding the Fourth Proportional to 21,568.44, 29,728.62 and 14,842.68

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Solution

The fourth proportional to 21,568.44, 29,728.62 and 14,842.68 is: 20,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.44 : 29,728.62 = 14,842.68 : x
  2. Step 2: Convert to fraction form
    21,568.44/29,728.62 = 14,842.68/x
  3. Step 3: Cross multiply
    21,568.44x = 29,728.62 × 14,842.68
  4. Step 4: Simplify right side
    21,568.44x = 441,252,393.50
  5. Step 5: Solve for x
    x = 441,252,393.50/21,568.44
  6. Step 6: Final answer
    x = 20,458.24

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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.