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Finding the Fourth Proportional to 60,857.96, 91,284.96 and 27,578.12

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Solution

The fourth proportional to 60,857.96, 91,284.96 and 27,578.12 is: 41,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,857.96 : 91,284.96 = 27,578.12 : x
  2. Step 2: Convert to fraction form
    60,857.96/91,284.96 = 27,578.12/x
  3. Step 3: Cross multiply
    60,857.96x = 91,284.96 × 27,578.12
  4. Step 4: Simplify right side
    60,857.96x = 2,517,467,581.08
  5. Step 5: Solve for x
    x = 2,517,467,581.08/60,857.96
  6. Step 6: Final answer
    x = 41,366.28

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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.