Home / 20,047.50-27,663.24-11,093.76

Finding the Fourth Proportional to 20,047.50, 27,663.24 and 11,093.76

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Solution

The fourth proportional to 20,047.50, 27,663.24 and 11,093.76 is: 15,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.50 : 27,663.24 = 11,093.76 : x
  2. Step 2: Convert to fraction form
    20,047.50/27,663.24 = 11,093.76/x
  3. Step 3: Cross multiply
    20,047.50x = 27,663.24 × 11,093.76
  4. Step 4: Simplify right side
    20,047.50x = 306,889,345.38
  5. Step 5: Solve for x
    x = 306,889,345.38/20,047.50
  6. Step 6: Final answer
    x = 15,308.11

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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.