Home / 27,333.53-37,722.20-15,234.78

Finding the Fourth Proportional to 27,333.53, 37,722.20 and 15,234.78

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Solution

The fourth proportional to 27,333.53, 37,722.20 and 15,234.78 is: 21,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,333.53 : 37,722.20 = 15,234.78 : x
  2. Step 2: Convert to fraction form
    27,333.53/37,722.20 = 15,234.78/x
  3. Step 3: Cross multiply
    27,333.53x = 37,722.20 × 15,234.78
  4. Step 4: Simplify right side
    27,333.53x = 574,689,418.12
  5. Step 5: Solve for x
    x = 574,689,418.12/27,333.53
  6. Step 6: Final answer
    x = 21,025.07

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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.