Home / 57,546.20-86,312.28-15,429.44

Finding the Fourth Proportional to 57,546.20, 86,312.28 and 15,429.44

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Solution

The fourth proportional to 57,546.20, 86,312.28 and 15,429.44 is: 23,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546.20 : 86,312.28 = 15,429.44 : x
  2. Step 2: Convert to fraction form
    57,546.20/86,312.28 = 15,429.44/x
  3. Step 3: Cross multiply
    57,546.20x = 86,312.28 × 15,429.44
  4. Step 4: Simplify right side
    57,546.20x = 1,331,750,145.52
  5. Step 5: Solve for x
    x = 1,331,750,145.52/57,546.20
  6. Step 6: Final answer
    x = 23,142.28

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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.