Home / 27,827.09-38,395.72-16,491.60

Finding the Fourth Proportional to 27,827.09, 38,395.72 and 16,491.60

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Solution

The fourth proportional to 27,827.09, 38,395.72 and 16,491.60 is: 22,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.09 : 38,395.72 = 16,491.60 : x
  2. Step 2: Convert to fraction form
    27,827.09/38,395.72 = 16,491.60/x
  3. Step 3: Cross multiply
    27,827.09x = 38,395.72 × 16,491.60
  4. Step 4: Simplify right side
    27,827.09x = 633,206,855.95
  5. Step 5: Solve for x
    x = 633,206,855.95/27,827.09
  6. Step 6: Final answer
    x = 22,755.05

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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.