Home / 27,093.50-37,389.78-15,158.90

Finding the Fourth Proportional to 27,093.50, 37,389.78 and 15,158.90

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Solution

The fourth proportional to 27,093.50, 37,389.78 and 15,158.90 is: 20,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.50 : 37,389.78 = 15,158.90 : x
  2. Step 2: Convert to fraction form
    27,093.50/37,389.78 = 15,158.90/x
  3. Step 3: Cross multiply
    27,093.50x = 37,389.78 × 15,158.90
  4. Step 4: Simplify right side
    27,093.50x = 566,787,936.04
  5. Step 5: Solve for x
    x = 566,787,936.04/27,093.50
  6. Step 6: Final answer
    x = 20,919.70

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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.