Home / 28,241.88-42,376.50-11,614.20

Finding the Fourth Proportional to 28,241.88, 42,376.50 and 11,614.20

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Solution

The fourth proportional to 28,241.88, 42,376.50 and 11,614.20 is: 17,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.88 : 42,376.50 = 11,614.20 : x
  2. Step 2: Convert to fraction form
    28,241.88/42,376.50 = 11,614.20/x
  3. Step 3: Cross multiply
    28,241.88x = 42,376.50 × 11,614.20
  4. Step 4: Simplify right side
    28,241.88x = 492,169,146.30
  5. Step 5: Solve for x
    x = 492,169,146.30/28,241.88
  6. Step 6: Final answer
    x = 17,426.93

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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.