Home / 27,803.94-38,376.62-17,187.36

Finding the Fourth Proportional to 27,803.94, 38,376.62 and 17,187.36

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Solution

The fourth proportional to 27,803.94, 38,376.62 and 17,187.36 is: 23,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.94 : 38,376.62 = 17,187.36 : x
  2. Step 2: Convert to fraction form
    27,803.94/38,376.62 = 17,187.36/x
  3. Step 3: Cross multiply
    27,803.94x = 38,376.62 × 17,187.36
  4. Step 4: Simplify right side
    27,803.94x = 659,592,783.52
  5. Step 5: Solve for x
    x = 659,592,783.52/27,803.94
  6. Step 6: Final answer
    x = 23,723.00

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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.