Home / 20,055.23-27,676.43-11,102.89

Finding the Fourth Proportional to 20,055.23, 27,676.43 and 11,102.89

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Solution

The fourth proportional to 20,055.23, 27,676.43 and 11,102.89 is: 15,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.23 : 27,676.43 = 11,102.89 : x
  2. Step 2: Convert to fraction form
    20,055.23/27,676.43 = 11,102.89/x
  3. Step 3: Cross multiply
    20,055.23x = 27,676.43 × 11,102.89
  4. Step 4: Simplify right side
    20,055.23x = 307,288,389.16
  5. Step 5: Solve for x
    x = 307,288,389.16/20,055.23
  6. Step 6: Final answer
    x = 15,322.11

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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.