Home / 20,228.76-27,914.73-11,277.11

Finding the Fourth Proportional to 20,228.76, 27,914.73 and 11,277.11

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Solution

The fourth proportional to 20,228.76, 27,914.73 and 11,277.11 is: 15,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.76 : 27,914.73 = 11,277.11 : x
  2. Step 2: Convert to fraction form
    20,228.76/27,914.73 = 11,277.11/x
  3. Step 3: Cross multiply
    20,228.76x = 27,914.73 × 11,277.11
  4. Step 4: Simplify right side
    20,228.76x = 314,797,341.26
  5. Step 5: Solve for x
    x = 314,797,341.26/20,228.76
  6. Step 6: Final answer
    x = 15,561.87

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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.