Home / 27,868.82-38,472.18-17,664.94

Finding the Fourth Proportional to 27,868.82, 38,472.18 and 17,664.94

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Solution

The fourth proportional to 27,868.82, 38,472.18 and 17,664.94 is: 24,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.82 : 38,472.18 = 17,664.94 : x
  2. Step 2: Convert to fraction form
    27,868.82/38,472.18 = 17,664.94/x
  3. Step 3: Cross multiply
    27,868.82x = 38,472.18 × 17,664.94
  4. Step 4: Simplify right side
    27,868.82x = 679,608,751.37
  5. Step 5: Solve for x
    x = 679,608,751.37/27,868.82
  6. Step 6: Final answer
    x = 24,385.99

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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.