Home / 55,013.04-82,468.26-28,686.42

Finding the Fourth Proportional to 55,013.04, 82,468.26 and 28,686.42

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Solution

The fourth proportional to 55,013.04, 82,468.26 and 28,686.42 is: 43,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.04 : 82,468.26 = 28,686.42 : x
  2. Step 2: Convert to fraction form
    55,013.04/82,468.26 = 28,686.42/x
  3. Step 3: Cross multiply
    55,013.04x = 82,468.26 × 28,686.42
  4. Step 4: Simplify right side
    55,013.04x = 2,365,719,143.03
  5. Step 5: Solve for x
    x = 2,365,719,143.03/55,013.04
  6. Step 6: Final answer
    x = 43,002.88

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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.