Home / 27,072.87-40,616.22-10,428.44

Finding the Fourth Proportional to 27,072.87, 40,616.22 and 10,428.44

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Solution

The fourth proportional to 27,072.87, 40,616.22 and 10,428.44 is: 15,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.87 : 40,616.22 = 10,428.44 : x
  2. Step 2: Convert to fraction form
    27,072.87/40,616.22 = 10,428.44/x
  3. Step 3: Cross multiply
    27,072.87x = 40,616.22 × 10,428.44
  4. Step 4: Simplify right side
    27,072.87x = 423,563,610.22
  5. Step 5: Solve for x
    x = 423,563,610.22/27,072.87
  6. Step 6: Final answer
    x = 15,645.32

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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.