Home / 27,810.87-38,348.25-17,723.34

Finding the Fourth Proportional to 27,810.87, 38,348.25 and 17,723.34

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Solution

The fourth proportional to 27,810.87, 38,348.25 and 17,723.34 is: 24,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.87 : 38,348.25 = 17,723.34 : x
  2. Step 2: Convert to fraction form
    27,810.87/38,348.25 = 17,723.34/x
  3. Step 3: Cross multiply
    27,810.87x = 38,348.25 × 17,723.34
  4. Step 4: Simplify right side
    27,810.87x = 679,659,073.16
  5. Step 5: Solve for x
    x = 679,659,073.16/27,810.87
  6. Step 6: Final answer
    x = 24,438.61

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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.