Home / 27,278.67-40,911.17-19,358.09

Finding the Fourth Proportional to 27,278.67, 40,911.17 and 19,358.09

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Solution

The fourth proportional to 27,278.67, 40,911.17 and 19,358.09 is: 29,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.67 : 40,911.17 = 19,358.09 : x
  2. Step 2: Convert to fraction form
    27,278.67/40,911.17 = 19,358.09/x
  3. Step 3: Cross multiply
    27,278.67x = 40,911.17 × 19,358.09
  4. Step 4: Simplify right side
    27,278.67x = 791,961,809.52
  5. Step 5: Solve for x
    x = 791,961,809.52/27,278.67
  6. Step 6: Final answer
    x = 29,032.27

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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.