Home / 84,201.24-126,275.58-28,028.22

Finding the Fourth Proportional to 84,201.24, 126,275.58 and 28,028.22

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Solution

The fourth proportional to 84,201.24, 126,275.58 and 28,028.22 is: 42,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201.24 : 126,275.58 = 28,028.22 : x
  2. Step 2: Convert to fraction form
    84,201.24/126,275.58 = 28,028.22/x
  3. Step 3: Cross multiply
    84,201.24x = 126,275.58 × 28,028.22
  4. Step 4: Simplify right side
    84,201.24x = 3,539,279,736.87
  5. Step 5: Solve for x
    x = 3,539,279,736.87/84,201.24
  6. Step 6: Final answer
    x = 42,033.58

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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.