Home / 27,677.07-38,194.25-15,101.82

Finding the Fourth Proportional to 27,677.07, 38,194.25 and 15,101.82

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Solution

The fourth proportional to 27,677.07, 38,194.25 and 15,101.82 is: 20,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,677.07 : 38,194.25 = 15,101.82 : x
  2. Step 2: Convert to fraction form
    27,677.07/38,194.25 = 15,101.82/x
  3. Step 3: Cross multiply
    27,677.07x = 38,194.25 × 15,101.82
  4. Step 4: Simplify right side
    27,677.07x = 576,802,613.03
  5. Step 5: Solve for x
    x = 576,802,613.03/27,677.07
  6. Step 6: Final answer
    x = 20,840.45

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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.