Home / 27,620.84-38,114.97-16,287.74

Finding the Fourth Proportional to 27,620.84, 38,114.97 and 16,287.74

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Solution

The fourth proportional to 27,620.84, 38,114.97 and 16,287.74 is: 22,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.84 : 38,114.97 = 16,287.74 : x
  2. Step 2: Convert to fraction form
    27,620.84/38,114.97 = 16,287.74/x
  3. Step 3: Cross multiply
    27,620.84x = 38,114.97 × 16,287.74
  4. Step 4: Simplify right side
    27,620.84x = 620,806,662.45
  5. Step 5: Solve for x
    x = 620,806,662.45/27,620.84
  6. Step 6: Final answer
    x = 22,476.02

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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.