Home / 55,272.20-82,921.04-15,829.64

Finding the Fourth Proportional to 55,272.20, 82,921.04 and 15,829.64

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Solution

The fourth proportional to 55,272.20, 82,921.04 and 15,829.64 is: 23,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.20 : 82,921.04 = 15,829.64 : x
  2. Step 2: Convert to fraction form
    55,272.20/82,921.04 = 15,829.64/x
  3. Step 3: Cross multiply
    55,272.20x = 82,921.04 × 15,829.64
  4. Step 4: Simplify right side
    55,272.20x = 1,312,610,211.63
  5. Step 5: Solve for x
    x = 1,312,610,211.63/55,272.20
  6. Step 6: Final answer
    x = 23,748.11

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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.