Home / 20,006.79-27,606.99-11,053.77

Finding the Fourth Proportional to 20,006.79, 27,606.99 and 11,053.77

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Solution

The fourth proportional to 20,006.79, 27,606.99 and 11,053.77 is: 15,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.79 : 27,606.99 = 11,053.77 : x
  2. Step 2: Convert to fraction form
    20,006.79/27,606.99 = 11,053.77/x
  3. Step 3: Cross multiply
    20,006.79x = 27,606.99 × 11,053.77
  4. Step 4: Simplify right side
    20,006.79x = 305,161,317.85
  5. Step 5: Solve for x
    x = 305,161,317.85/20,006.79
  6. Step 6: Final answer
    x = 15,252.89

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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.