Home / 28,196.62-42,293.50-11,552.46

Finding the Fourth Proportional to 28,196.62, 42,293.50 and 11,552.46

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Solution

The fourth proportional to 28,196.62, 42,293.50 and 11,552.46 is: 17,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.62 : 42,293.50 = 11,552.46 : x
  2. Step 2: Convert to fraction form
    28,196.62/42,293.50 = 11,552.46/x
  3. Step 3: Cross multiply
    28,196.62x = 42,293.50 × 11,552.46
  4. Step 4: Simplify right side
    28,196.62x = 488,593,967.01
  5. Step 5: Solve for x
    x = 488,593,967.01/28,196.62
  6. Step 6: Final answer
    x = 17,328.10

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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.