Home / 27,991.59-38,625.54-17,234.76

Finding the Fourth Proportional to 27,991.59, 38,625.54 and 17,234.76

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Solution

The fourth proportional to 27,991.59, 38,625.54 and 17,234.76 is: 23,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.59 : 38,625.54 = 17,234.76 : x
  2. Step 2: Convert to fraction form
    27,991.59/38,625.54 = 17,234.76/x
  3. Step 3: Cross multiply
    27,991.59x = 38,625.54 × 17,234.76
  4. Step 4: Simplify right side
    27,991.59x = 665,701,911.77
  5. Step 5: Solve for x
    x = 665,701,911.77/27,991.59
  6. Step 6: Final answer
    x = 23,782.21

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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.