Home / 27,933.50-38,548.96-15,187.54

Finding the Fourth Proportional to 27,933.50, 38,548.96 and 15,187.54

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Solution

The fourth proportional to 27,933.50, 38,548.96 and 15,187.54 is: 20,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.50 : 38,548.96 = 15,187.54 : x
  2. Step 2: Convert to fraction form
    27,933.50/38,548.96 = 15,187.54/x
  3. Step 3: Cross multiply
    27,933.50x = 38,548.96 × 15,187.54
  4. Step 4: Simplify right side
    27,933.50x = 585,463,871.96
  5. Step 5: Solve for x
    x = 585,463,871.96/27,933.50
  6. Step 6: Final answer
    x = 20,959.20

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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.