Home / 27,034.96-37,255.08-20,668.74

Finding the Fourth Proportional to 27,034.96, 37,255.08 and 20,668.74

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Solution

The fourth proportional to 27,034.96, 37,255.08 and 20,668.74 is: 28,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,034.96 : 37,255.08 = 20,668.74 : x
  2. Step 2: Convert to fraction form
    27,034.96/37,255.08 = 20,668.74/x
  3. Step 3: Cross multiply
    27,034.96x = 37,255.08 × 20,668.74
  4. Step 4: Simplify right side
    27,034.96x = 770,015,562.20
  5. Step 5: Solve for x
    x = 770,015,562.20/27,034.96
  6. Step 6: Final answer
    x = 28,482.22

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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.