Home / 17,926.56-26,891.40-4,779

Finding the Fourth Proportional to 17,926.56, 26,891.40 and 4,779

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Solution

The fourth proportional to 17,926.56, 26,891.40 and 4,779 is: 7,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.56 : 26,891.40 = 4,779 : x
  2. Step 2: Convert to fraction form
    17,926.56/26,891.40 = 4,779/x
  3. Step 3: Cross multiply
    17,926.56x = 26,891.40 × 4,779
  4. Step 4: Simplify right side
    17,926.56x = 128,514,000.60
  5. Step 5: Solve for x
    x = 128,514,000.60/17,926.56
  6. Step 6: Final answer
    x = 7,168.92

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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.