Home / 84,645.20-126,926.76-25,469.84

Finding the Fourth Proportional to 84,645.20, 126,926.76 and 25,469.84

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Solution

The fourth proportional to 84,645.20, 126,926.76 and 25,469.84 is: 38,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,645.20 : 126,926.76 = 25,469.84 : x
  2. Step 2: Convert to fraction form
    84,645.20/126,926.76 = 25,469.84/x
  3. Step 3: Cross multiply
    84,645.20x = 126,926.76 × 25,469.84
  4. Step 4: Simplify right side
    84,645.20x = 3,232,804,268.92
  5. Step 5: Solve for x
    x = 3,232,804,268.92/84,645.20
  6. Step 6: Final answer
    x = 38,192.41

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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.