Home / 84,982.36-127,488.24-25,824.04

Finding the Fourth Proportional to 84,982.36, 127,488.24 and 25,824.04

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Solution

The fourth proportional to 84,982.36, 127,488.24 and 25,824.04 is: 38,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,982.36 : 127,488.24 = 25,824.04 : x
  2. Step 2: Convert to fraction form
    84,982.36/127,488.24 = 25,824.04/x
  3. Step 3: Cross multiply
    84,982.36x = 127,488.24 × 25,824.04
  4. Step 4: Simplify right side
    84,982.36x = 3,292,261,409.29
  5. Step 5: Solve for x
    x = 3,292,261,409.29/84,982.36
  6. Step 6: Final answer
    x = 38,740.53

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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.