Home / 28,229.64-42,347.30-7,453.14

Finding the Fourth Proportional to 28,229.64, 42,347.30 and 7,453.14

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Solution

The fourth proportional to 28,229.64, 42,347.30 and 7,453.14 is: 11,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.64 : 42,347.30 = 7,453.14 : x
  2. Step 2: Convert to fraction form
    28,229.64/42,347.30 = 7,453.14/x
  3. Step 3: Cross multiply
    28,229.64x = 42,347.30 × 7,453.14
  4. Step 4: Simplify right side
    28,229.64x = 315,620,355.52
  5. Step 5: Solve for x
    x = 315,620,355.52/28,229.64
  6. Step 6: Final answer
    x = 11,180.46

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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.