Home / 84,928.02-127,377.64-25,749.42

Finding the Fourth Proportional to 84,928.02, 127,377.64 and 25,749.42

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Solution

The fourth proportional to 84,928.02, 127,377.64 and 25,749.42 is: 38,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,928.02 : 127,377.64 = 25,749.42 : x
  2. Step 2: Convert to fraction form
    84,928.02/127,377.64 = 25,749.42/x
  3. Step 3: Cross multiply
    84,928.02x = 127,377.64 × 25,749.42
  4. Step 4: Simplify right side
    84,928.02x = 3,279,900,350.97
  5. Step 5: Solve for x
    x = 3,279,900,350.97/84,928.02
  6. Step 6: Final answer
    x = 38,619.77

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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.