Home / 19,175.16-28,725.88-13,826.76

Finding the Fourth Proportional to 19,175.16, 28,725.88 and 13,826.76

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Solution

The fourth proportional to 19,175.16, 28,725.88 and 13,826.76 is: 20,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.16 : 28,725.88 = 13,826.76 : x
  2. Step 2: Convert to fraction form
    19,175.16/28,725.88 = 13,826.76/x
  3. Step 3: Cross multiply
    19,175.16x = 28,725.88 × 13,826.76
  4. Step 4: Simplify right side
    19,175.16x = 397,185,848.55
  5. Step 5: Solve for x
    x = 397,185,848.55/19,175.16
  6. Step 6: Final answer
    x = 20,713.56

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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.