Home / 27,734.96-38,276.88-15,161.60

Finding the Fourth Proportional to 27,734.96, 38,276.88 and 15,161.60

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Solution

The fourth proportional to 27,734.96, 38,276.88 and 15,161.60 is: 20,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.96 : 38,276.88 = 15,161.60 : x
  2. Step 2: Convert to fraction form
    27,734.96/38,276.88 = 15,161.60/x
  3. Step 3: Cross multiply
    27,734.96x = 38,276.88 × 15,161.60
  4. Step 4: Simplify right side
    27,734.96x = 580,338,743.81
  5. Step 5: Solve for x
    x = 580,338,743.81/27,734.96
  6. Step 6: Final answer
    x = 20,924.45

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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.