Home / 19,910.72-27,478.64-10,960.04

Finding the Fourth Proportional to 19,910.72, 27,478.64 and 10,960.04

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Solution

The fourth proportional to 19,910.72, 27,478.64 and 10,960.04 is: 15,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.72 : 27,478.64 = 10,960.04 : x
  2. Step 2: Convert to fraction form
    19,910.72/27,478.64 = 10,960.04/x
  3. Step 3: Cross multiply
    19,910.72x = 27,478.64 × 10,960.04
  4. Step 4: Simplify right side
    19,910.72x = 301,166,938.75
  5. Step 5: Solve for x
    x = 301,166,938.75/19,910.72
  6. Step 6: Final answer
    x = 15,125.87

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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.