Home / 27,187.52-40,736.12-19,250.80

Finding the Fourth Proportional to 27,187.52, 40,736.12 and 19,250.80

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Solution

The fourth proportional to 27,187.52, 40,736.12 and 19,250.80 is: 28,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.52 : 40,736.12 = 19,250.80 : x
  2. Step 2: Convert to fraction form
    27,187.52/40,736.12 = 19,250.80/x
  3. Step 3: Cross multiply
    27,187.52x = 40,736.12 × 19,250.80
  4. Step 4: Simplify right side
    27,187.52x = 784,202,700.80
  5. Step 5: Solve for x
    x = 784,202,700.80/27,187.52
  6. Step 6: Final answer
    x = 28,844.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.