Home / 26,452.80-39,672.18-8,919

Finding the Fourth Proportional to 26,452.80, 39,672.18 and 8,919

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Solution

The fourth proportional to 26,452.80, 39,672.18 and 8,919 is: 13,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,452.80 : 39,672.18 = 8,919 : x
  2. Step 2: Convert to fraction form
    26,452.80/39,672.18 = 8,919/x
  3. Step 3: Cross multiply
    26,452.80x = 39,672.18 × 8,919
  4. Step 4: Simplify right side
    26,452.80x = 353,836,173.42
  5. Step 5: Solve for x
    x = 353,836,173.42/26,452.80
  6. Step 6: Final answer
    x = 13,376.13

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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.