Home / 27,931.62-41,841.33-12,917.69

Finding the Fourth Proportional to 27,931.62, 41,841.33 and 12,917.69

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Solution

The fourth proportional to 27,931.62, 41,841.33 and 12,917.69 is: 19,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.62 : 41,841.33 = 12,917.69 : x
  2. Step 2: Convert to fraction form
    27,931.62/41,841.33 = 12,917.69/x
  3. Step 3: Cross multiply
    27,931.62x = 41,841.33 × 12,917.69
  4. Step 4: Simplify right side
    27,931.62x = 540,493,330.13
  5. Step 5: Solve for x
    x = 540,493,330.13/27,931.62
  6. Step 6: Final answer
    x = 19,350.59

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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.