Home / 20,027.64-30,031.32-6,695.89

Finding the Fourth Proportional to 20,027.64, 30,031.32 and 6,695.89

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Solution

The fourth proportional to 20,027.64, 30,031.32 and 6,695.89 is: 10,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.64 : 30,031.32 = 6,695.89 : x
  2. Step 2: Convert to fraction form
    20,027.64/30,031.32 = 6,695.89/x
  3. Step 3: Cross multiply
    20,027.64x = 30,031.32 × 6,695.89
  4. Step 4: Simplify right side
    20,027.64x = 201,086,393.27
  5. Step 5: Solve for x
    x = 201,086,393.27/20,027.64
  6. Step 6: Final answer
    x = 10,040.44

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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.