Home / 20,012.08-27,626.32-12,852.68

Finding the Fourth Proportional to 20,012.08, 27,626.32 and 12,852.68

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Solution

The fourth proportional to 20,012.08, 27,626.32 and 12,852.68 is: 17,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.08 : 27,626.32 = 12,852.68 : x
  2. Step 2: Convert to fraction form
    20,012.08/27,626.32 = 12,852.68/x
  3. Step 3: Cross multiply
    20,012.08x = 27,626.32 × 12,852.68
  4. Step 4: Simplify right side
    20,012.08x = 355,072,186.27
  5. Step 5: Solve for x
    x = 355,072,186.27/20,012.08
  6. Step 6: Final answer
    x = 17,742.89

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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.