Home / 19,056.67-28,579.84-7,961.03

Finding the Fourth Proportional to 19,056.67, 28,579.84 and 7,961.03

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Solution

The fourth proportional to 19,056.67, 28,579.84 and 7,961.03 is: 11,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.67 : 28,579.84 = 7,961.03 : x
  2. Step 2: Convert to fraction form
    19,056.67/28,579.84 = 7,961.03/x
  3. Step 3: Cross multiply
    19,056.67x = 28,579.84 × 7,961.03
  4. Step 4: Simplify right side
    19,056.67x = 227,525,068.77
  5. Step 5: Solve for x
    x = 227,525,068.77/19,056.67
  6. Step 6: Final answer
    x = 11,939.39

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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.