Home / 20,006.88-27,608.64-11,508.36

Finding the Fourth Proportional to 20,006.88, 27,608.64 and 11,508.36

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Solution

The fourth proportional to 20,006.88, 27,608.64 and 11,508.36 is: 15,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.88 : 27,608.64 = 11,508.36 : x
  2. Step 2: Convert to fraction form
    20,006.88/27,608.64 = 11,508.36/x
  3. Step 3: Cross multiply
    20,006.88x = 27,608.64 × 11,508.36
  4. Step 4: Simplify right side
    20,006.88x = 317,730,168.23
  5. Step 5: Solve for x
    x = 317,730,168.23/20,006.88
  6. Step 6: Final answer
    x = 15,881.05

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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.