Home / 38,697.55-58,066.62-28,111.37

Finding the Fourth Proportional to 38,697.55, 58,066.62 and 28,111.37

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Solution

The fourth proportional to 38,697.55, 58,066.62 and 28,111.37 is: 42,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697.55 : 58,066.62 = 28,111.37 : x
  2. Step 2: Convert to fraction form
    38,697.55/58,066.62 = 28,111.37/x
  3. Step 3: Cross multiply
    38,697.55x = 58,066.62 × 28,111.37
  4. Step 4: Simplify right side
    38,697.55x = 1,632,332,384.64
  5. Step 5: Solve for x
    x = 1,632,332,384.64/38,697.55
  6. Step 6: Final answer
    x = 42,181.80

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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.