Home / 17,811.68-26,717.76-16,729.28

Finding the Fourth Proportional to 17,811.68, 26,717.76 and 16,729.28

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Solution

The fourth proportional to 17,811.68, 26,717.76 and 16,729.28 is: 25,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.68 : 26,717.76 = 16,729.28 : x
  2. Step 2: Convert to fraction form
    17,811.68/26,717.76 = 16,729.28/x
  3. Step 3: Cross multiply
    17,811.68x = 26,717.76 × 16,729.28
  4. Step 4: Simplify right side
    17,811.68x = 446,968,888.01
  5. Step 5: Solve for x
    x = 446,968,888.01/17,811.68
  6. Step 6: Final answer
    x = 25,094.15

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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.