Home / 28,227.37-42,337.80-7,452.49

Finding the Fourth Proportional to 28,227.37, 42,337.80 and 7,452.49

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Solution

The fourth proportional to 28,227.37, 42,337.80 and 7,452.49 is: 11,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.37 : 42,337.80 = 7,452.49 : x
  2. Step 2: Convert to fraction form
    28,227.37/42,337.80 = 7,452.49/x
  3. Step 3: Cross multiply
    28,227.37x = 42,337.80 × 7,452.49
  4. Step 4: Simplify right side
    28,227.37x = 315,522,031.12
  5. Step 5: Solve for x
    x = 315,522,031.12/28,227.37
  6. Step 6: Final answer
    x = 11,177.88

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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.