Home / 20,044.32-27,628.08-18,371.04

Finding the Fourth Proportional to 20,044.32, 27,628.08 and 18,371.04

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Solution

The fourth proportional to 20,044.32, 27,628.08 and 18,371.04 is: 25,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.32 : 27,628.08 = 18,371.04 : x
  2. Step 2: Convert to fraction form
    20,044.32/27,628.08 = 18,371.04/x
  3. Step 3: Cross multiply
    20,044.32x = 27,628.08 × 18,371.04
  4. Step 4: Simplify right side
    20,044.32x = 507,556,562.80
  5. Step 5: Solve for x
    x = 507,556,562.80/20,044.32
  6. Step 6: Final answer
    x = 25,321.72

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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.