Home / 17,941.08-26,911.64-8,578.89

Finding the Fourth Proportional to 17,941.08, 26,911.64 and 8,578.89

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Solution

The fourth proportional to 17,941.08, 26,911.64 and 8,578.89 is: 12,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,941.08 : 26,911.64 = 8,578.89 : x
  2. Step 2: Convert to fraction form
    17,941.08/26,911.64 = 8,578.89/x
  3. Step 3: Cross multiply
    17,941.08x = 26,911.64 × 8,578.89
  4. Step 4: Simplify right side
    17,941.08x = 230,871,956.39
  5. Step 5: Solve for x
    x = 230,871,956.39/17,941.08
  6. Step 6: Final answer
    x = 12,868.34

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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.