Home / 27,887.63-38,486.98-17,279.33

Finding the Fourth Proportional to 27,887.63, 38,486.98 and 17,279.33

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Solution

The fourth proportional to 27,887.63, 38,486.98 and 17,279.33 is: 23,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.63 : 38,486.98 = 17,279.33 : x
  2. Step 2: Convert to fraction form
    27,887.63/38,486.98 = 17,279.33/x
  3. Step 3: Cross multiply
    27,887.63x = 38,486.98 × 17,279.33
  4. Step 4: Simplify right side
    27,887.63x = 665,029,057.29
  5. Step 5: Solve for x
    x = 665,029,057.29/27,887.63
  6. Step 6: Final answer
    x = 23,846.74

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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.