Home / 84,928.08-127,410.12-28,765.44

Finding the Fourth Proportional to 84,928.08, 127,410.12 and 28,765.44

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Solution

The fourth proportional to 84,928.08, 127,410.12 and 28,765.44 is: 43,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,928.08 : 127,410.12 = 28,765.44 : x
  2. Step 2: Convert to fraction form
    84,928.08/127,410.12 = 28,765.44/x
  3. Step 3: Cross multiply
    84,928.08x = 127,410.12 × 28,765.44
  4. Step 4: Simplify right side
    84,928.08x = 3,665,008,162.25
  5. Step 5: Solve for x
    x = 3,665,008,162.25/84,928.08
  6. Step 6: Final answer
    x = 43,154.26

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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.