Home / 18,256.41-27,312.59-13,826.88

Finding the Fourth Proportional to 18,256.41, 27,312.59 and 13,826.88

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Solution

The fourth proportional to 18,256.41, 27,312.59 and 13,826.88 is: 20,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.41 : 27,312.59 = 13,826.88 : x
  2. Step 2: Convert to fraction form
    18,256.41/27,312.59 = 13,826.88/x
  3. Step 3: Cross multiply
    18,256.41x = 27,312.59 × 13,826.88
  4. Step 4: Simplify right side
    18,256.41x = 377,647,904.42
  5. Step 5: Solve for x
    x = 377,647,904.42/18,256.41
  6. Step 6: Final answer
    x = 20,685.77

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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.