Home / 20,056.22-27,678.02-11,104.34

Finding the Fourth Proportional to 20,056.22, 27,678.02 and 11,104.34

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Solution

The fourth proportional to 20,056.22, 27,678.02 and 11,104.34 is: 15,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.22 : 27,678.02 = 11,104.34 : x
  2. Step 2: Convert to fraction form
    20,056.22/27,678.02 = 11,104.34/x
  3. Step 3: Cross multiply
    20,056.22x = 27,678.02 × 11,104.34
  4. Step 4: Simplify right side
    20,056.22x = 307,345,950.70
  5. Step 5: Solve for x
    x = 307,345,950.70/20,056.22
  6. Step 6: Final answer
    x = 15,324.22

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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.