Home / 27,356.40-41,028.69-8,637.90

Finding the Fourth Proportional to 27,356.40, 41,028.69 and 8,637.90

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Solution

The fourth proportional to 27,356.40, 41,028.69 and 8,637.90 is: 12,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.40 : 41,028.69 = 8,637.90 : x
  2. Step 2: Convert to fraction form
    27,356.40/41,028.69 = 8,637.90/x
  3. Step 3: Cross multiply
    27,356.40x = 41,028.69 × 8,637.90
  4. Step 4: Simplify right side
    27,356.40x = 354,401,721.35
  5. Step 5: Solve for x
    x = 354,401,721.35/27,356.40
  6. Step 6: Final answer
    x = 12,954.98

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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.