Home / 27,704.24-38,232.06-15,129.32

Finding the Fourth Proportional to 27,704.24, 38,232.06 and 15,129.32

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Solution

The fourth proportional to 27,704.24, 38,232.06 and 15,129.32 is: 20,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,704.24 : 38,232.06 = 15,129.32 : x
  2. Step 2: Convert to fraction form
    27,704.24/38,232.06 = 15,129.32/x
  3. Step 3: Cross multiply
    27,704.24x = 38,232.06 × 15,129.32
  4. Step 4: Simplify right side
    27,704.24x = 578,425,070.00
  5. Step 5: Solve for x
    x = 578,425,070.00/27,704.24
  6. Step 6: Final answer
    x = 20,878.58

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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.