Home / 20,182.80-27,852.91-12,626.71

Finding the Fourth Proportional to 20,182.80, 27,852.91 and 12,626.71

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Solution

The fourth proportional to 20,182.80, 27,852.91 and 12,626.71 is: 17,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.80 : 27,852.91 = 12,626.71 : x
  2. Step 2: Convert to fraction form
    20,182.80/27,852.91 = 12,626.71/x
  3. Step 3: Cross multiply
    20,182.80x = 27,852.91 × 12,626.71
  4. Step 4: Simplify right side
    20,182.80x = 351,690,617.23
  5. Step 5: Solve for x
    x = 351,690,617.23/20,182.80
  6. Step 6: Final answer
    x = 17,425.26

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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.