Home / 28,844.64-43,231.92-13,240.80

Finding the Fourth Proportional to 28,844.64, 43,231.92 and 13,240.80

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Solution

The fourth proportional to 28,844.64, 43,231.92 and 13,240.80 is: 19,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.64 : 43,231.92 = 13,240.80 : x
  2. Step 2: Convert to fraction form
    28,844.64/43,231.92 = 13,240.80/x
  3. Step 3: Cross multiply
    28,844.64x = 43,231.92 × 13,240.80
  4. Step 4: Simplify right side
    28,844.64x = 572,425,206.34
  5. Step 5: Solve for x
    x = 572,425,206.34/28,844.64
  6. Step 6: Final answer
    x = 19,845.12

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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.