Home / 27,081.87-37,377.01-15,758.07

Finding the Fourth Proportional to 27,081.87, 37,377.01 and 15,758.07

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Solution

The fourth proportional to 27,081.87, 37,377.01 and 15,758.07 is: 21,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.87 : 37,377.01 = 15,758.07 : x
  2. Step 2: Convert to fraction form
    27,081.87/37,377.01 = 15,758.07/x
  3. Step 3: Cross multiply
    27,081.87x = 37,377.01 × 15,758.07
  4. Step 4: Simplify right side
    27,081.87x = 588,989,353.09
  5. Step 5: Solve for x
    x = 588,989,353.09/27,081.87
  6. Step 6: Final answer
    x = 21,748.48

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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.