Home / 28,859.11-43,289.90-11,332.73

Finding the Fourth Proportional to 28,859.11, 43,289.90 and 11,332.73

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Solution

The fourth proportional to 28,859.11, 43,289.90 and 11,332.73 is: 16,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859.11 : 43,289.90 = 11,332.73 : x
  2. Step 2: Convert to fraction form
    28,859.11/43,289.90 = 11,332.73/x
  3. Step 3: Cross multiply
    28,859.11x = 43,289.90 × 11,332.73
  4. Step 4: Simplify right side
    28,859.11x = 490,592,748.43
  5. Step 5: Solve for x
    x = 490,592,748.43/28,859.11
  6. Step 6: Final answer
    x = 16,999.58

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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.