Home / 84,198.24-126,271.08-28,025.21

Finding the Fourth Proportional to 84,198.24, 126,271.08 and 28,025.21

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Solution

The fourth proportional to 84,198.24, 126,271.08 and 28,025.21 is: 42,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,198.24 : 126,271.08 = 28,025.21 : x
  2. Step 2: Convert to fraction form
    84,198.24/126,271.08 = 28,025.21/x
  3. Step 3: Cross multiply
    84,198.24x = 126,271.08 × 28,025.21
  4. Step 4: Simplify right side
    84,198.24x = 3,538,773,468.19
  5. Step 5: Solve for x
    x = 3,538,773,468.19/84,198.24
  6. Step 6: Final answer
    x = 42,029.07

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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.