Home / 27,420.73-41,145.98-11,634.64

Finding the Fourth Proportional to 27,420.73, 41,145.98 and 11,634.64

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Solution

The fourth proportional to 27,420.73, 41,145.98 and 11,634.64 is: 17,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.73 : 41,145.98 = 11,634.64 : x
  2. Step 2: Convert to fraction form
    27,420.73/41,145.98 = 11,634.64/x
  3. Step 3: Cross multiply
    27,420.73x = 41,145.98 × 11,634.64
  4. Step 4: Simplify right side
    27,420.73x = 478,718,503.71
  5. Step 5: Solve for x
    x = 478,718,503.71/27,420.73
  6. Step 6: Final answer
    x = 17,458.27

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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.