Home / 28,998.14-43,490.12-9,272.61

Finding the Fourth Proportional to 28,998.14, 43,490.12 and 9,272.61

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Solution

The fourth proportional to 28,998.14, 43,490.12 and 9,272.61 is: 13,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.14 : 43,490.12 = 9,272.61 : x
  2. Step 2: Convert to fraction form
    28,998.14/43,490.12 = 9,272.61/x
  3. Step 3: Cross multiply
    28,998.14x = 43,490.12 × 9,272.61
  4. Step 4: Simplify right side
    28,998.14x = 403,266,875.25
  5. Step 5: Solve for x
    x = 403,266,875.25/28,998.14
  6. Step 6: Final answer
    x = 13,906.65

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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.