Home / 27,940.55-38,558.10-16,607.84

Finding the Fourth Proportional to 27,940.55, 38,558.10 and 16,607.84

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Solution

The fourth proportional to 27,940.55, 38,558.10 and 16,607.84 is: 22,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.55 : 38,558.10 = 16,607.84 : x
  2. Step 2: Convert to fraction form
    27,940.55/38,558.10 = 16,607.84/x
  3. Step 3: Cross multiply
    27,940.55x = 38,558.10 × 16,607.84
  4. Step 4: Simplify right side
    27,940.55x = 640,366,562.71
  5. Step 5: Solve for x
    x = 640,366,562.71/27,940.55
  6. Step 6: Final answer
    x = 22,918.90

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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.