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Finding the Fourth Proportional to 17,992.65, 26,953.89 and 10,955.22

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Solution

The fourth proportional to 17,992.65, 26,953.89 and 10,955.22 is: 16,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.65 : 26,953.89 = 10,955.22 : x
  2. Step 2: Convert to fraction form
    17,992.65/26,953.89 = 10,955.22/x
  3. Step 3: Cross multiply
    17,992.65x = 26,953.89 × 10,955.22
  4. Step 4: Simplify right side
    17,992.65x = 295,285,794.81
  5. Step 5: Solve for x
    x = 295,285,794.81/17,992.65
  6. Step 6: Final answer
    x = 16,411.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.