Home / 27,322.31-37,704.91-15,385.85

Finding the Fourth Proportional to 27,322.31, 37,704.91 and 15,385.85

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Solution

The fourth proportional to 27,322.31, 37,704.91 and 15,385.85 is: 21,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.31 : 37,704.91 = 15,385.85 : x
  2. Step 2: Convert to fraction form
    27,322.31/37,704.91 = 15,385.85/x
  3. Step 3: Cross multiply
    27,322.31x = 37,704.91 × 15,385.85
  4. Step 4: Simplify right side
    27,322.31x = 580,121,967.87
  5. Step 5: Solve for x
    x = 580,121,967.87/27,322.31
  6. Step 6: Final answer
    x = 21,232.54

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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.