Home / 27,230.87-37,578.50-15,131.30

Finding the Fourth Proportional to 27,230.87, 37,578.50 and 15,131.30

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Solution

The fourth proportional to 27,230.87, 37,578.50 and 15,131.30 is: 20,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.87 : 37,578.50 = 15,131.30 : x
  2. Step 2: Convert to fraction form
    27,230.87/37,578.50 = 15,131.30/x
  3. Step 3: Cross multiply
    27,230.87x = 37,578.50 × 15,131.30
  4. Step 4: Simplify right side
    27,230.87x = 568,611,406.99
  5. Step 5: Solve for x
    x = 568,611,406.99/27,230.87
  6. Step 6: Final answer
    x = 20,881.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.