Home / 19,885.88-27,441.80-10,933.31

Finding the Fourth Proportional to 19,885.88, 27,441.80 and 10,933.31

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Solution

The fourth proportional to 19,885.88, 27,441.80 and 10,933.31 is: 15,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.88 : 27,441.80 = 10,933.31 : x
  2. Step 2: Convert to fraction form
    19,885.88/27,441.80 = 10,933.31/x
  3. Step 3: Cross multiply
    19,885.88x = 27,441.80 × 10,933.31
  4. Step 4: Simplify right side
    19,885.88x = 300,029,822.80
  5. Step 5: Solve for x
    x = 300,029,822.80/19,885.88
  6. Step 6: Final answer
    x = 15,087.58

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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.