Home / 27,796.08-38,358.15-15,220.82

Finding the Fourth Proportional to 27,796.08, 38,358.15 and 15,220.82

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Solution

The fourth proportional to 27,796.08, 38,358.15 and 15,220.82 is: 21,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.08 : 38,358.15 = 15,220.82 : x
  2. Step 2: Convert to fraction form
    27,796.08/38,358.15 = 15,220.82/x
  3. Step 3: Cross multiply
    27,796.08x = 38,358.15 × 15,220.82
  4. Step 4: Simplify right side
    27,796.08x = 583,842,496.68
  5. Step 5: Solve for x
    x = 583,842,496.68/27,796.08
  6. Step 6: Final answer
    x = 21,004.49

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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.