Home / 28,904.91-43,360.26-7,845.30

Finding the Fourth Proportional to 28,904.91, 43,360.26 and 7,845.30

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Solution

The fourth proportional to 28,904.91, 43,360.26 and 7,845.30 is: 11,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.91 : 43,360.26 = 7,845.30 : x
  2. Step 2: Convert to fraction form
    28,904.91/43,360.26 = 7,845.30/x
  3. Step 3: Cross multiply
    28,904.91x = 43,360.26 × 7,845.30
  4. Step 4: Simplify right side
    28,904.91x = 340,174,247.78
  5. Step 5: Solve for x
    x = 340,174,247.78/28,904.91
  6. Step 6: Final answer
    x = 11,768.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.