Home / 28,895.96-43,349.32-9,169.20

Finding the Fourth Proportional to 28,895.96, 43,349.32 and 9,169.20

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Solution

The fourth proportional to 28,895.96, 43,349.32 and 9,169.20 is: 13,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.96 : 43,349.32 = 9,169.20 : x
  2. Step 2: Convert to fraction form
    28,895.96/43,349.32 = 9,169.20/x
  3. Step 3: Cross multiply
    28,895.96x = 43,349.32 × 9,169.20
  4. Step 4: Simplify right side
    28,895.96x = 397,478,584.94
  5. Step 5: Solve for x
    x = 397,478,584.94/28,895.96
  6. Step 6: Final answer
    x = 13,755.51

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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.