Home / 28,388.68-42,612.08-23,442.56

Finding the Fourth Proportional to 28,388.68, 42,612.08 and 23,442.56

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Solution

The fourth proportional to 28,388.68, 42,612.08 and 23,442.56 is: 35,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388.68 : 42,612.08 = 23,442.56 : x
  2. Step 2: Convert to fraction form
    28,388.68/42,612.08 = 23,442.56/x
  3. Step 3: Cross multiply
    28,388.68x = 42,612.08 × 23,442.56
  4. Step 4: Simplify right side
    28,388.68x = 998,936,242.12
  5. Step 5: Solve for x
    x = 998,936,242.12/28,388.68
  6. Step 6: Final answer
    x = 35,187.84

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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.