Home / 27,672.04-38,175.78-19,293.40

Finding the Fourth Proportional to 27,672.04, 38,175.78 and 19,293.40

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Solution

The fourth proportional to 27,672.04, 38,175.78 and 19,293.40 is: 26,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.04 : 38,175.78 = 19,293.40 : x
  2. Step 2: Convert to fraction form
    27,672.04/38,175.78 = 19,293.40/x
  3. Step 3: Cross multiply
    27,672.04x = 38,175.78 × 19,293.40
  4. Step 4: Simplify right side
    27,672.04x = 736,540,593.85
  5. Step 5: Solve for x
    x = 736,540,593.85/27,672.04
  6. Step 6: Final answer
    x = 26,616.78

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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.