Home / 18,829.43-28,244.35-5,681.91

Finding the Fourth Proportional to 18,829.43, 28,244.35 and 5,681.91

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Solution

The fourth proportional to 18,829.43, 28,244.35 and 5,681.91 is: 8,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.43 : 28,244.35 = 5,681.91 : x
  2. Step 2: Convert to fraction form
    18,829.43/28,244.35 = 5,681.91/x
  3. Step 3: Cross multiply
    18,829.43x = 28,244.35 × 5,681.91
  4. Step 4: Simplify right side
    18,829.43x = 160,481,967.73
  5. Step 5: Solve for x
    x = 160,481,967.73/18,829.43
  6. Step 6: Final answer
    x = 8,522.93

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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.