Home / 71,928.08-107,822.48-27,520.64

Finding the Fourth Proportional to 71,928.08, 107,822.48 and 27,520.64

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Solution

The fourth proportional to 71,928.08, 107,822.48 and 27,520.64 is: 41,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928.08 : 107,822.48 = 27,520.64 : x
  2. Step 2: Convert to fraction form
    71,928.08/107,822.48 = 27,520.64/x
  3. Step 3: Cross multiply
    71,928.08x = 107,822.48 × 27,520.64
  4. Step 4: Simplify right side
    71,928.08x = 2,967,343,655.99
  5. Step 5: Solve for x
    x = 2,967,343,655.99/71,928.08
  6. Step 6: Final answer
    x = 41,254.31

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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.