Home / 17,428.97-26,143.54-4,281.34

Finding the Fourth Proportional to 17,428.97, 26,143.54 and 4,281.34

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Solution

The fourth proportional to 17,428.97, 26,143.54 and 4,281.34 is: 6,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.97 : 26,143.54 = 4,281.34 : x
  2. Step 2: Convert to fraction form
    17,428.97/26,143.54 = 4,281.34/x
  3. Step 3: Cross multiply
    17,428.97x = 26,143.54 × 4,281.34
  4. Step 4: Simplify right side
    17,428.97x = 111,929,383.54
  5. Step 5: Solve for x
    x = 111,929,383.54/17,428.97
  6. Step 6: Final answer
    x = 6,422.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.