Home / 20,026.08-27,626.79-12,954.78

Finding the Fourth Proportional to 20,026.08, 27,626.79 and 12,954.78

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Solution

The fourth proportional to 20,026.08, 27,626.79 and 12,954.78 is: 17,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.08 : 27,626.79 = 12,954.78 : x
  2. Step 2: Convert to fraction form
    20,026.08/27,626.79 = 12,954.78/x
  3. Step 3: Cross multiply
    20,026.08x = 27,626.79 × 12,954.78
  4. Step 4: Simplify right side
    20,026.08x = 357,898,986.56
  5. Step 5: Solve for x
    x = 357,898,986.56/20,026.08
  6. Step 6: Final answer
    x = 17,871.64

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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.