Home / 27,421.30-41,135.97-8,695.09

Finding the Fourth Proportional to 27,421.30, 41,135.97 and 8,695.09

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Solution

The fourth proportional to 27,421.30, 41,135.97 and 8,695.09 is: 13,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.30 : 41,135.97 = 8,695.09 : x
  2. Step 2: Convert to fraction form
    27,421.30/41,135.97 = 8,695.09/x
  3. Step 3: Cross multiply
    27,421.30x = 41,135.97 × 8,695.09
  4. Step 4: Simplify right side
    27,421.30x = 357,680,961.39
  5. Step 5: Solve for x
    x = 357,680,961.39/27,421.30
  6. Step 6: Final answer
    x = 13,043.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.