Home / 27,723.62-38,262.58-16,403.06

Finding the Fourth Proportional to 27,723.62, 38,262.58 and 16,403.06

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Solution

The fourth proportional to 27,723.62, 38,262.58 and 16,403.06 is: 22,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.62 : 38,262.58 = 16,403.06 : x
  2. Step 2: Convert to fraction form
    27,723.62/38,262.58 = 16,403.06/x
  3. Step 3: Cross multiply
    27,723.62x = 38,262.58 × 16,403.06
  4. Step 4: Simplify right side
    27,723.62x = 627,623,395.49
  5. Step 5: Solve for x
    x = 627,623,395.49/27,723.62
  6. Step 6: Final answer
    x = 22,638.58

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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.