Home / 27,462.04-37,912.32-21,481

Finding the Fourth Proportional to 27,462.04, 37,912.32 and 21,481

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Solution

The fourth proportional to 27,462.04, 37,912.32 and 21,481 is: 29,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,462.04 : 37,912.32 = 21,481 : x
  2. Step 2: Convert to fraction form
    27,462.04/37,912.32 = 21,481/x
  3. Step 3: Cross multiply
    27,462.04x = 37,912.32 × 21,481
  4. Step 4: Simplify right side
    27,462.04x = 814,394,545.92
  5. Step 5: Solve for x
    x = 814,394,545.92/27,462.04
  6. Step 6: Final answer
    x = 29,655.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.