Home / 19,258.28-28,888.44-5,408.36

Finding the Fourth Proportional to 19,258.28, 28,888.44 and 5,408.36

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Solution

The fourth proportional to 19,258.28, 28,888.44 and 5,408.36 is: 8,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.28 : 28,888.44 = 5,408.36 : x
  2. Step 2: Convert to fraction form
    19,258.28/28,888.44 = 5,408.36/x
  3. Step 3: Cross multiply
    19,258.28x = 28,888.44 × 5,408.36
  4. Step 4: Simplify right side
    19,258.28x = 156,239,083.36
  5. Step 5: Solve for x
    x = 156,239,083.36/19,258.28
  6. Step 6: Final answer
    x = 8,112.83

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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.