Home / 28,887.94-43,337.32-9,161.20

Finding the Fourth Proportional to 28,887.94, 43,337.32 and 9,161.20

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Solution

The fourth proportional to 28,887.94, 43,337.32 and 9,161.20 is: 13,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.94 : 43,337.32 = 9,161.20 : x
  2. Step 2: Convert to fraction form
    28,887.94/43,337.32 = 9,161.20/x
  3. Step 3: Cross multiply
    28,887.94x = 43,337.32 × 9,161.20
  4. Step 4: Simplify right side
    28,887.94x = 397,021,855.98
  5. Step 5: Solve for x
    x = 397,021,855.98/28,887.94
  6. Step 6: Final answer
    x = 13,743.52

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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.