Home / 20,235.62-27,924.44-12,686.02

Finding the Fourth Proportional to 20,235.62, 27,924.44 and 12,686.02

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Solution

The fourth proportional to 20,235.62, 27,924.44 and 12,686.02 is: 17,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.62 : 27,924.44 = 12,686.02 : x
  2. Step 2: Convert to fraction form
    20,235.62/27,924.44 = 12,686.02/x
  3. Step 3: Cross multiply
    20,235.62x = 27,924.44 × 12,686.02
  4. Step 4: Simplify right side
    20,235.62x = 354,250,004.33
  5. Step 5: Solve for x
    x = 354,250,004.33/20,235.62
  6. Step 6: Final answer
    x = 17,506.26

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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.