Home / 28,648.68-42,973.26-8,926.44

Finding the Fourth Proportional to 28,648.68, 42,973.26 and 8,926.44

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Solution

The fourth proportional to 28,648.68, 42,973.26 and 8,926.44 is: 13,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.68 : 42,973.26 = 8,926.44 : x
  2. Step 2: Convert to fraction form
    28,648.68/42,973.26 = 8,926.44/x
  3. Step 3: Cross multiply
    28,648.68x = 42,973.26 × 8,926.44
  4. Step 4: Simplify right side
    28,648.68x = 383,598,226.99
  5. Step 5: Solve for x
    x = 383,598,226.99/28,648.68
  6. Step 6: Final answer
    x = 13,389.73

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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.