Home / 22,454.28-30,968.64-19,759.68

Finding the Fourth Proportional to 22,454.28, 30,968.64 and 19,759.68

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Solution

The fourth proportional to 22,454.28, 30,968.64 and 19,759.68 is: 27,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.28 : 30,968.64 = 19,759.68 : x
  2. Step 2: Convert to fraction form
    22,454.28/30,968.64 = 19,759.68/x
  3. Step 3: Cross multiply
    22,454.28x = 30,968.64 × 19,759.68
  4. Step 4: Simplify right side
    22,454.28x = 611,930,416.44
  5. Step 5: Solve for x
    x = 611,930,416.44/22,454.28
  6. Step 6: Final answer
    x = 27,252.28

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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.