Home / 28,725.23-43,087.80-11,207.36

Finding the Fourth Proportional to 28,725.23, 43,087.80 and 11,207.36

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Solution

The fourth proportional to 28,725.23, 43,087.80 and 11,207.36 is: 16,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.23 : 43,087.80 = 11,207.36 : x
  2. Step 2: Convert to fraction form
    28,725.23/43,087.80 = 11,207.36/x
  3. Step 3: Cross multiply
    28,725.23x = 43,087.80 × 11,207.36
  4. Step 4: Simplify right side
    28,725.23x = 482,900,486.21
  5. Step 5: Solve for x
    x = 482,900,486.21/28,725.23
  6. Step 6: Final answer
    x = 16,811.02

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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.