Home / 27,308.52-40,891.50-18,963.72

Finding the Fourth Proportional to 27,308.52, 40,891.50 and 18,963.72

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Solution

The fourth proportional to 27,308.52, 40,891.50 and 18,963.72 is: 28,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.52 : 40,891.50 = 18,963.72 : x
  2. Step 2: Convert to fraction form
    27,308.52/40,891.50 = 18,963.72/x
  3. Step 3: Cross multiply
    27,308.52x = 40,891.50 × 18,963.72
  4. Step 4: Simplify right side
    27,308.52x = 775,454,956.38
  5. Step 5: Solve for x
    x = 775,454,956.38/27,308.52
  6. Step 6: Final answer
    x = 28,396.08

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1.5x scale

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.