Home / 27,868.79-38,456.39-16,536.34

Finding the Fourth Proportional to 27,868.79, 38,456.39 and 16,536.34

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Solution

The fourth proportional to 27,868.79, 38,456.39 and 16,536.34 is: 22,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868.79 : 38,456.39 = 16,536.34 : x
  2. Step 2: Convert to fraction form
    27,868.79/38,456.39 = 16,536.34/x
  3. Step 3: Cross multiply
    27,868.79x = 38,456.39 × 16,536.34
  4. Step 4: Simplify right side
    27,868.79x = 635,927,665.25
  5. Step 5: Solve for x
    x = 635,927,665.25/27,868.79
  6. Step 6: Final answer
    x = 22,818.63

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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.