Home / 27,962.83-38,588.88-15,216.11

Finding the Fourth Proportional to 27,962.83, 38,588.88 and 15,216.11

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Solution

The fourth proportional to 27,962.83, 38,588.88 and 15,216.11 is: 20,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.83 : 38,588.88 = 15,216.11 : x
  2. Step 2: Convert to fraction form
    27,962.83/38,588.88 = 15,216.11/x
  3. Step 3: Cross multiply
    27,962.83x = 38,588.88 × 15,216.11
  4. Step 4: Simplify right side
    27,962.83x = 587,172,566.78
  5. Step 5: Solve for x
    x = 587,172,566.78/27,962.83
  6. Step 6: Final answer
    x = 20,998.33

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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.