Home / 27,405.02-37,819.10-16,072.21

Finding the Fourth Proportional to 27,405.02, 37,819.10 and 16,072.21

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Solution

The fourth proportional to 27,405.02, 37,819.10 and 16,072.21 is: 22,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.02 : 37,819.10 = 16,072.21 : x
  2. Step 2: Convert to fraction form
    27,405.02/37,819.10 = 16,072.21/x
  3. Step 3: Cross multiply
    27,405.02x = 37,819.10 × 16,072.21
  4. Step 4: Simplify right side
    27,405.02x = 607,836,247.75
  5. Step 5: Solve for x
    x = 607,836,247.75/27,405.02
  6. Step 6: Final answer
    x = 22,179.75

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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.