Home / 27,982.34-38,604.06-16,649.57

Finding the Fourth Proportional to 27,982.34, 38,604.06 and 16,649.57

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Solution

The fourth proportional to 27,982.34, 38,604.06 and 16,649.57 is: 22,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.34 : 38,604.06 = 16,649.57 : x
  2. Step 2: Convert to fraction form
    27,982.34/38,604.06 = 16,649.57/x
  3. Step 3: Cross multiply
    27,982.34x = 38,604.06 × 16,649.57
  4. Step 4: Simplify right side
    27,982.34x = 642,740,999.25
  5. Step 5: Solve for x
    x = 642,740,999.25/27,982.34
  6. Step 6: Final answer
    x = 22,969.52

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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.