Home / 27,965.63-38,593.38-15,219.63

Finding the Fourth Proportional to 27,965.63, 38,593.38 and 15,219.63

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Solution

The fourth proportional to 27,965.63, 38,593.38 and 15,219.63 is: 21,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.63 : 38,593.38 = 15,219.63 : x
  2. Step 2: Convert to fraction form
    27,965.63/38,593.38 = 15,219.63/x
  3. Step 3: Cross multiply
    27,965.63x = 38,593.38 × 15,219.63
  4. Step 4: Simplify right side
    27,965.63x = 587,376,964.05
  5. Step 5: Solve for x
    x = 587,376,964.05/27,965.63
  6. Step 6: Final answer
    x = 21,003.53

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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.