Home / 27,991.12-38,597.52-19,020.64

Finding the Fourth Proportional to 27,991.12, 38,597.52 and 19,020.64

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Solution

The fourth proportional to 27,991.12, 38,597.52 and 19,020.64 is: 26,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.12 : 38,597.52 = 19,020.64 : x
  2. Step 2: Convert to fraction form
    27,991.12/38,597.52 = 19,020.64/x
  3. Step 3: Cross multiply
    27,991.12x = 38,597.52 × 19,020.64
  4. Step 4: Simplify right side
    27,991.12x = 734,149,532.81
  5. Step 5: Solve for x
    x = 734,149,532.81/27,991.12
  6. Step 6: Final answer
    x = 26,227.94

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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.