Home / 19,647.78-27,087.93-16,278.18

Finding the Fourth Proportional to 19,647.78, 27,087.93 and 16,278.18

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Solution

The fourth proportional to 19,647.78, 27,087.93 and 16,278.18 is: 22,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.78 : 27,087.93 = 16,278.18 : x
  2. Step 2: Convert to fraction form
    19,647.78/27,087.93 = 16,278.18/x
  3. Step 3: Cross multiply
    19,647.78x = 27,087.93 × 16,278.18
  4. Step 4: Simplify right side
    19,647.78x = 440,942,200.37
  5. Step 5: Solve for x
    x = 440,942,200.37/19,647.78
  6. Step 6: Final answer
    x = 22,442.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.