Home / 27,116.12-37,420.85-15,180.77

Finding the Fourth Proportional to 27,116.12, 37,420.85 and 15,180.77

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Solution

The fourth proportional to 27,116.12, 37,420.85 and 15,180.77 is: 20,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.12 : 37,420.85 = 15,180.77 : x
  2. Step 2: Convert to fraction form
    27,116.12/37,420.85 = 15,180.77/x
  3. Step 3: Cross multiply
    27,116.12x = 37,420.85 × 15,180.77
  4. Step 4: Simplify right side
    27,116.12x = 568,077,448.56
  5. Step 5: Solve for x
    x = 568,077,448.56/27,116.12
  6. Step 6: Final answer
    x = 20,949.80

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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.