Home / 28,834.38-43,278.30-17,762.69

Finding the Fourth Proportional to 28,834.38, 43,278.30 and 17,762.69

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Solution

The fourth proportional to 28,834.38, 43,278.30 and 17,762.69 is: 26,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.38 : 43,278.30 = 17,762.69 : x
  2. Step 2: Convert to fraction form
    28,834.38/43,278.30 = 17,762.69/x
  3. Step 3: Cross multiply
    28,834.38x = 43,278.30 × 17,762.69
  4. Step 4: Simplify right side
    28,834.38x = 768,739,134.82
  5. Step 5: Solve for x
    x = 768,739,134.82/28,834.38
  6. Step 6: Final answer
    x = 26,660.51

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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.