Home / 27,405.12-37,792.82-16,651.76

Finding the Fourth Proportional to 27,405.12, 37,792.82 and 16,651.76

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Solution

The fourth proportional to 27,405.12, 37,792.82 and 16,651.76 is: 22,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.12 : 37,792.82 = 16,651.76 : x
  2. Step 2: Convert to fraction form
    27,405.12/37,792.82 = 16,651.76/x
  3. Step 3: Cross multiply
    27,405.12x = 37,792.82 × 16,651.76
  4. Step 4: Simplify right side
    27,405.12x = 629,316,696.14
  5. Step 5: Solve for x
    x = 629,316,696.14/27,405.12
  6. Step 6: Final answer
    x = 22,963.47

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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.