Home / 27,650.40-38,150.70-16,320.12

Finding the Fourth Proportional to 27,650.40, 38,150.70 and 16,320.12

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Solution

The fourth proportional to 27,650.40, 38,150.70 and 16,320.12 is: 22,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,650.40 : 38,150.70 = 16,320.12 : x
  2. Step 2: Convert to fraction form
    27,650.40/38,150.70 = 16,320.12/x
  3. Step 3: Cross multiply
    27,650.40x = 38,150.70 × 16,320.12
  4. Step 4: Simplify right side
    27,650.40x = 622,624,002.08
  5. Step 5: Solve for x
    x = 622,624,002.08/27,650.40
  6. Step 6: Final answer
    x = 22,517.72

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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.