Home / 19,205.42-28,788.36-7,355.98

Finding the Fourth Proportional to 19,205.42, 28,788.36 and 7,355.98

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Solution

The fourth proportional to 19,205.42, 28,788.36 and 7,355.98 is: 11,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.42 : 28,788.36 = 7,355.98 : x
  2. Step 2: Convert to fraction form
    19,205.42/28,788.36 = 7,355.98/x
  3. Step 3: Cross multiply
    19,205.42x = 28,788.36 × 7,355.98
  4. Step 4: Simplify right side
    19,205.42x = 211,766,600.39
  5. Step 5: Solve for x
    x = 211,766,600.39/19,205.42
  6. Step 6: Final answer
    x = 11,026.40

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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.