Home / 72,827.22-109,214.38-25,429

Finding the Fourth Proportional to 72,827.22, 109,214.38 and 25,429

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Solution

The fourth proportional to 72,827.22, 109,214.38 and 25,429 is: 38,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827.22 : 109,214.38 = 25,429 : x
  2. Step 2: Convert to fraction form
    72,827.22/109,214.38 = 25,429/x
  3. Step 3: Cross multiply
    72,827.22x = 109,214.38 × 25,429
  4. Step 4: Simplify right side
    72,827.22x = 2,777,212,469.02
  5. Step 5: Solve for x
    x = 2,777,212,469.02/72,827.22
  6. Step 6: Final answer
    x = 38,134.26

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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.