Home / 20,005.34-27,606.69-11,052.29

Finding the Fourth Proportional to 20,005.34, 27,606.69 and 11,052.29

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Solution

The fourth proportional to 20,005.34, 27,606.69 and 11,052.29 is: 15,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.34 : 27,606.69 = 11,052.29 : x
  2. Step 2: Convert to fraction form
    20,005.34/27,606.69 = 11,052.29/x
  3. Step 3: Cross multiply
    20,005.34x = 27,606.69 × 11,052.29
  4. Step 4: Simplify right side
    20,005.34x = 305,117,212.84
  5. Step 5: Solve for x
    x = 305,117,212.84/20,005.34
  6. Step 6: Final answer
    x = 15,251.79

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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.