Home / 84,588.44-126,897.30-28,434.04

Finding the Fourth Proportional to 84,588.44, 126,897.30 and 28,434.04

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Solution

The fourth proportional to 84,588.44, 126,897.30 and 28,434.04 is: 42,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588.44 : 126,897.30 = 28,434.04 : x
  2. Step 2: Convert to fraction form
    84,588.44/126,897.30 = 28,434.04/x
  3. Step 3: Cross multiply
    84,588.44x = 126,897.30 × 28,434.04
  4. Step 4: Simplify right side
    84,588.44x = 3,608,202,904.09
  5. Step 5: Solve for x
    x = 3,608,202,904.09/84,588.44
  6. Step 6: Final answer
    x = 42,655.98

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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.