Home / 27,796.90-38,359.75-15,050.09

Finding the Fourth Proportional to 27,796.90, 38,359.75 and 15,050.09

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Solution

The fourth proportional to 27,796.90, 38,359.75 and 15,050.09 is: 20,769.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.90 : 38,359.75 = 15,050.09 : x
  2. Step 2: Convert to fraction form
    27,796.90/38,359.75 = 15,050.09/x
  3. Step 3: Cross multiply
    27,796.90x = 38,359.75 × 15,050.09
  4. Step 4: Simplify right side
    27,796.90x = 577,317,689.88
  5. Step 5: Solve for x
    x = 577,317,689.88/27,796.90
  6. Step 6: Final answer
    x = 20,769.14

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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.