Home / 27,282.60-40,851-15,579.72

Finding the Fourth Proportional to 27,282.60, 40,851 and 15,579.72

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Solution

The fourth proportional to 27,282.60, 40,851 and 15,579.72 is: 23,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.60 : 40,851 = 15,579.72 : x
  2. Step 2: Convert to fraction form
    27,282.60/40,851 = 15,579.72/x
  3. Step 3: Cross multiply
    27,282.60x = 40,851 × 15,579.72
  4. Step 4: Simplify right side
    27,282.60x = 636,447,141.72
  5. Step 5: Solve for x
    x = 636,447,141.72/27,282.60
  6. Step 6: Final answer
    x = 23,327.95

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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.