Home / 54,878.55-82,308.25-15,426.28

Finding the Fourth Proportional to 54,878.55, 82,308.25 and 15,426.28

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Solution

The fourth proportional to 54,878.55, 82,308.25 and 15,426.28 is: 23,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,878.55 : 82,308.25 = 15,426.28 : x
  2. Step 2: Convert to fraction form
    54,878.55/82,308.25 = 15,426.28/x
  3. Step 3: Cross multiply
    54,878.55x = 82,308.25 × 15,426.28
  4. Step 4: Simplify right side
    54,878.55x = 1,269,710,232.98
  5. Step 5: Solve for x
    x = 1,269,710,232.98/54,878.55
  6. Step 6: Final answer
    x = 23,136.73

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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.