Home / 17,961.30-26,938.11-5,642.58

Finding the Fourth Proportional to 17,961.30, 26,938.11 and 5,642.58

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Solution

The fourth proportional to 17,961.30, 26,938.11 and 5,642.58 is: 8,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.30 : 26,938.11 = 5,642.58 : x
  2. Step 2: Convert to fraction form
    17,961.30/26,938.11 = 5,642.58/x
  3. Step 3: Cross multiply
    17,961.30x = 26,938.11 × 5,642.58
  4. Step 4: Simplify right side
    17,961.30x = 152,000,440.72
  5. Step 5: Solve for x
    x = 152,000,440.72/17,961.30
  6. Step 6: Final answer
    x = 8,462.66

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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.