Home / 27,686.64-38,207.16-16,356

Finding the Fourth Proportional to 27,686.64, 38,207.16 and 16,356

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Solution

The fourth proportional to 27,686.64, 38,207.16 and 16,356 is: 22,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.64 : 38,207.16 = 16,356 : x
  2. Step 2: Convert to fraction form
    27,686.64/38,207.16 = 16,356/x
  3. Step 3: Cross multiply
    27,686.64x = 38,207.16 × 16,356
  4. Step 4: Simplify right side
    27,686.64x = 624,916,308.96
  5. Step 5: Solve for x
    x = 624,916,308.96/27,686.64
  6. Step 6: Final answer
    x = 22,571.04

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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.