Home / 27,933.12-38,549.56-15,998.08

Finding the Fourth Proportional to 27,933.12, 38,549.56 and 15,998.08

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Solution

The fourth proportional to 27,933.12, 38,549.56 and 15,998.08 is: 22,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.12 : 38,549.56 = 15,998.08 : x
  2. Step 2: Convert to fraction form
    27,933.12/38,549.56 = 15,998.08/x
  3. Step 3: Cross multiply
    27,933.12x = 38,549.56 × 15,998.08
  4. Step 4: Simplify right side
    27,933.12x = 616,718,944.84
  5. Step 5: Solve for x
    x = 616,718,944.84/27,933.12
  6. Step 6: Final answer
    x = 22,078.41

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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.