Home / 19,913.28-27,479.68-10,960.79

Finding the Fourth Proportional to 19,913.28, 27,479.68 and 10,960.79

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Solution

The fourth proportional to 19,913.28, 27,479.68 and 10,960.79 is: 15,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.28 : 27,479.68 = 10,960.79 : x
  2. Step 2: Convert to fraction form
    19,913.28/27,479.68 = 10,960.79/x
  3. Step 3: Cross multiply
    19,913.28x = 27,479.68 × 10,960.79
  4. Step 4: Simplify right side
    19,913.28x = 301,199,001.75
  5. Step 5: Solve for x
    x = 301,199,001.75/19,913.28
  6. Step 6: Final answer
    x = 15,125.53

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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.