Home / 28,896.25-43,348.68-8,904.07

Finding the Fourth Proportional to 28,896.25, 43,348.68 and 8,904.07

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Solution

The fourth proportional to 28,896.25, 43,348.68 and 8,904.07 is: 13,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.25 : 43,348.68 = 8,904.07 : x
  2. Step 2: Convert to fraction form
    28,896.25/43,348.68 = 8,904.07/x
  3. Step 3: Cross multiply
    28,896.25x = 43,348.68 × 8,904.07
  4. Step 4: Simplify right side
    28,896.25x = 385,979,419.86
  5. Step 5: Solve for x
    x = 385,979,419.86/28,896.25
  6. Step 6: Final answer
    x = 13,357.42

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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.