Home / 84,592.11-126,899.82-28,436.58

Finding the Fourth Proportional to 84,592.11, 126,899.82 and 28,436.58

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Solution

The fourth proportional to 84,592.11, 126,899.82 and 28,436.58 is: 42,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,592.11 : 126,899.82 = 28,436.58 : x
  2. Step 2: Convert to fraction form
    84,592.11/126,899.82 = 28,436.58/x
  3. Step 3: Cross multiply
    84,592.11x = 126,899.82 × 28,436.58
  4. Step 4: Simplify right side
    84,592.11x = 3,608,596,883.42
  5. Step 5: Solve for x
    x = 3,608,596,883.42/84,592.11
  6. Step 6: Final answer
    x = 42,658.79

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1.5x scale

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.