Home / 27,682.80-38,189.52-16,349.28

Finding the Fourth Proportional to 27,682.80, 38,189.52 and 16,349.28

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Solution

The fourth proportional to 27,682.80, 38,189.52 and 16,349.28 is: 22,554.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,682.80 : 38,189.52 = 16,349.28 : x
  2. Step 2: Convert to fraction form
    27,682.80/38,189.52 = 16,349.28/x
  3. Step 3: Cross multiply
    27,682.80x = 38,189.52 × 16,349.28
  4. Step 4: Simplify right side
    27,682.80x = 624,371,155.55
  5. Step 5: Solve for x
    x = 624,371,155.55/27,682.80
  6. Step 6: Final answer
    x = 22,554.48

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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.