Home / 19,629.88-27,087.84-10,677.20

Finding the Fourth Proportional to 19,629.88, 27,087.84 and 10,677.20

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Solution

The fourth proportional to 19,629.88, 27,087.84 and 10,677.20 is: 14,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.88 : 27,087.84 = 10,677.20 : x
  2. Step 2: Convert to fraction form
    19,629.88/27,087.84 = 10,677.20/x
  3. Step 3: Cross multiply
    19,629.88x = 27,087.84 × 10,677.20
  4. Step 4: Simplify right side
    19,629.88x = 289,222,285.25
  5. Step 5: Solve for x
    x = 289,222,285.25/19,629.88
  6. Step 6: Final answer
    x = 14,733.78

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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.