Home / 27,673.30-38,189.58-15,736.98

Finding the Fourth Proportional to 27,673.30, 38,189.58 and 15,736.98

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Solution

The fourth proportional to 27,673.30, 38,189.58 and 15,736.98 is: 21,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.30 : 38,189.58 = 15,736.98 : x
  2. Step 2: Convert to fraction form
    27,673.30/38,189.58 = 15,736.98/x
  3. Step 3: Cross multiply
    27,673.30x = 38,189.58 × 15,736.98
  4. Step 4: Simplify right side
    27,673.30x = 600,988,740.87
  5. Step 5: Solve for x
    x = 600,988,740.87/27,673.30
  6. Step 6: Final answer
    x = 21,717.28

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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.