Home / 27,773.76-38,326.56-15,199.04

Finding the Fourth Proportional to 27,773.76, 38,326.56 and 15,199.04

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Solution

The fourth proportional to 27,773.76, 38,326.56 and 15,199.04 is: 20,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.76 : 38,326.56 = 15,199.04 : x
  2. Step 2: Convert to fraction form
    27,773.76/38,326.56 = 15,199.04/x
  3. Step 3: Cross multiply
    27,773.76x = 38,326.56 × 15,199.04
  4. Step 4: Simplify right side
    27,773.76x = 582,526,918.50
  5. Step 5: Solve for x
    x = 582,526,918.50/27,773.76
  6. Step 6: Final answer
    x = 20,974.00

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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.