Home / 19,976.45-27,570.85-12,019.41

Finding the Fourth Proportional to 19,976.45, 27,570.85 and 12,019.41

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Solution

The fourth proportional to 19,976.45, 27,570.85 and 12,019.41 is: 16,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.45 : 27,570.85 = 12,019.41 : x
  2. Step 2: Convert to fraction form
    19,976.45/27,570.85 = 12,019.41/x
  3. Step 3: Cross multiply
    19,976.45x = 27,570.85 × 12,019.41
  4. Step 4: Simplify right side
    19,976.45x = 331,385,320.15
  5. Step 5: Solve for x
    x = 331,385,320.15/19,976.45
  6. Step 6: Final answer
    x = 16,588.80

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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.