Home / 56,262.28-84,390.54-16,819.72

Finding the Fourth Proportional to 56,262.28, 84,390.54 and 16,819.72

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Solution

The fourth proportional to 56,262.28, 84,390.54 and 16,819.72 is: 25,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,262.28 : 84,390.54 = 16,819.72 : x
  2. Step 2: Convert to fraction form
    56,262.28/84,390.54 = 16,819.72/x
  3. Step 3: Cross multiply
    56,262.28x = 84,390.54 × 16,819.72
  4. Step 4: Simplify right side
    56,262.28x = 1,419,425,253.45
  5. Step 5: Solve for x
    x = 1,419,425,253.45/56,262.28
  6. Step 6: Final answer
    x = 25,228.72

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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.