Home / 26,631.72-39,909.53-19,556.22

Finding the Fourth Proportional to 26,631.72, 39,909.53 and 19,556.22

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Solution

The fourth proportional to 26,631.72, 39,909.53 and 19,556.22 is: 29,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.72 : 39,909.53 = 19,556.22 : x
  2. Step 2: Convert to fraction form
    26,631.72/39,909.53 = 19,556.22/x
  3. Step 3: Cross multiply
    26,631.72x = 39,909.53 × 19,556.22
  4. Step 4: Simplify right side
    26,631.72x = 780,479,548.78
  5. Step 5: Solve for x
    x = 780,479,548.78/26,631.72
  6. Step 6: Final answer
    x = 29,306.39

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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.