Home / 27,933.90-38,549.44-15,187.82

Finding the Fourth Proportional to 27,933.90, 38,549.44 and 15,187.82

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Solution

The fourth proportional to 27,933.90, 38,549.44 and 15,187.82 is: 20,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.90 : 38,549.44 = 15,187.82 : x
  2. Step 2: Convert to fraction form
    27,933.90/38,549.44 = 15,187.82/x
  3. Step 3: Cross multiply
    27,933.90x = 38,549.44 × 15,187.82
  4. Step 4: Simplify right side
    27,933.90x = 585,481,955.82
  5. Step 5: Solve for x
    x = 585,481,955.82/27,933.90
  6. Step 6: Final answer
    x = 20,959.55

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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.