Home / 82,425.43-123,636.80-26,264.77

Finding the Fourth Proportional to 82,425.43, 123,636.80 and 26,264.77

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Solution

The fourth proportional to 82,425.43, 123,636.80 and 26,264.77 is: 39,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,425.43 : 123,636.80 = 26,264.77 : x
  2. Step 2: Convert to fraction form
    82,425.43/123,636.80 = 26,264.77/x
  3. Step 3: Cross multiply
    82,425.43x = 123,636.80 × 26,264.77
  4. Step 4: Simplify right side
    82,425.43x = 3,247,292,419.82
  5. Step 5: Solve for x
    x = 3,247,292,419.82/82,425.43
  6. Step 6: Final answer
    x = 39,396.73

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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.