Home / 27,606.16-38,105.10-15,677.44

Finding the Fourth Proportional to 27,606.16, 38,105.10 and 15,677.44

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Solution

The fourth proportional to 27,606.16, 38,105.10 and 15,677.44 is: 21,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.16 : 38,105.10 = 15,677.44 : x
  2. Step 2: Convert to fraction form
    27,606.16/38,105.10 = 15,677.44/x
  3. Step 3: Cross multiply
    27,606.16x = 38,105.10 × 15,677.44
  4. Step 4: Simplify right side
    27,606.16x = 597,390,418.94
  5. Step 5: Solve for x
    x = 597,390,418.94/27,606.16
  6. Step 6: Final answer
    x = 21,639.75

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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.