Home / 27,160.52-40,734.50-10,515.02

Finding the Fourth Proportional to 27,160.52, 40,734.50 and 10,515.02

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Solution

The fourth proportional to 27,160.52, 40,734.50 and 10,515.02 is: 15,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,160.52 : 40,734.50 = 10,515.02 : x
  2. Step 2: Convert to fraction form
    27,160.52/40,734.50 = 10,515.02/x
  3. Step 3: Cross multiply
    27,160.52x = 40,734.50 × 10,515.02
  4. Step 4: Simplify right side
    27,160.52x = 428,323,825.94
  5. Step 5: Solve for x
    x = 428,323,825.94/27,160.52
  6. Step 6: Final answer
    x = 15,770.09

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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.