Home / 19,327.88-28,988.40-8,795.43

Finding the Fourth Proportional to 19,327.88, 28,988.40 and 8,795.43

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Solution

The fourth proportional to 19,327.88, 28,988.40 and 8,795.43 is: 13,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.88 : 28,988.40 = 8,795.43 : x
  2. Step 2: Convert to fraction form
    19,327.88/28,988.40 = 8,795.43/x
  3. Step 3: Cross multiply
    19,327.88x = 28,988.40 × 8,795.43
  4. Step 4: Simplify right side
    19,327.88x = 254,965,443.01
  5. Step 5: Solve for x
    x = 254,965,443.01/19,327.88
  6. Step 6: Final answer
    x = 13,191.59

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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.