Home / 28,755.24-43,107.30-11,221.08

Finding the Fourth Proportional to 28,755.24, 43,107.30 and 11,221.08

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Solution

The fourth proportional to 28,755.24, 43,107.30 and 11,221.08 is: 16,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.24 : 43,107.30 = 11,221.08 : x
  2. Step 2: Convert to fraction form
    28,755.24/43,107.30 = 11,221.08/x
  3. Step 3: Cross multiply
    28,755.24x = 43,107.30 × 11,221.08
  4. Step 4: Simplify right side
    28,755.24x = 483,710,461.88
  5. Step 5: Solve for x
    x = 483,710,461.88/28,755.24
  6. Step 6: Final answer
    x = 16,821.65

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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.