Home / 84,896.13-127,355.13-25,721.37

Finding the Fourth Proportional to 84,896.13, 127,355.13 and 25,721.37

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Solution

The fourth proportional to 84,896.13, 127,355.13 and 25,721.37 is: 38,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.13 : 127,355.13 = 25,721.37 : x
  2. Step 2: Convert to fraction form
    84,896.13/127,355.13 = 25,721.37/x
  3. Step 3: Cross multiply
    84,896.13x = 127,355.13 × 25,721.37
  4. Step 4: Simplify right side
    84,896.13x = 3,275,748,420.13
  5. Step 5: Solve for x
    x = 3,275,748,420.13/84,896.13
  6. Step 6: Final answer
    x = 38,585.37

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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.