Home / 28,725.56-43,088.38-9,005.68

Finding the Fourth Proportional to 28,725.56, 43,088.38 and 9,005.68

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Solution

The fourth proportional to 28,725.56, 43,088.38 and 9,005.68 is: 13,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.56 : 43,088.38 = 9,005.68 : x
  2. Step 2: Convert to fraction form
    28,725.56/43,088.38 = 9,005.68/x
  3. Step 3: Cross multiply
    28,725.56x = 43,088.38 × 9,005.68
  4. Step 4: Simplify right side
    28,725.56x = 388,040,162.00
  5. Step 5: Solve for x
    x = 388,040,162.00/28,725.56
  6. Step 6: Final answer
    x = 13,508.53

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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.