Home / 27,134.85-40,709.25-10,490.55

Finding the Fourth Proportional to 27,134.85, 40,709.25 and 10,490.55

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Solution

The fourth proportional to 27,134.85, 40,709.25 and 10,490.55 is: 15,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.85 : 40,709.25 = 10,490.55 : x
  2. Step 2: Convert to fraction form
    27,134.85/40,709.25 = 10,490.55/x
  3. Step 3: Cross multiply
    27,134.85x = 40,709.25 × 10,490.55
  4. Step 4: Simplify right side
    27,134.85x = 427,062,422.59
  5. Step 5: Solve for x
    x = 427,062,422.59/27,134.85
  6. Step 6: Final answer
    x = 15,738.52

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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.