Home / 28,334.34-42,486.93-11,691.27

Finding the Fourth Proportional to 28,334.34, 42,486.93 and 11,691.27

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Solution

The fourth proportional to 28,334.34, 42,486.93 and 11,691.27 is: 17,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.34 : 42,486.93 = 11,691.27 : x
  2. Step 2: Convert to fraction form
    28,334.34/42,486.93 = 11,691.27/x
  3. Step 3: Cross multiply
    28,334.34x = 42,486.93 × 11,691.27
  4. Step 4: Simplify right side
    28,334.34x = 496,726,170.10
  5. Step 5: Solve for x
    x = 496,726,170.10/28,334.34
  6. Step 6: Final answer
    x = 17,530.89

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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.