Home / 27,586.08-38,033.28-20,043.36

Finding the Fourth Proportional to 27,586.08, 38,033.28 and 20,043.36

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Solution

The fourth proportional to 27,586.08, 38,033.28 and 20,043.36 is: 27,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.08 : 38,033.28 = 20,043.36 : x
  2. Step 2: Convert to fraction form
    27,586.08/38,033.28 = 20,043.36/x
  3. Step 3: Cross multiply
    27,586.08x = 38,033.28 × 20,043.36
  4. Step 4: Simplify right side
    27,586.08x = 762,314,723.02
  5. Step 5: Solve for x
    x = 762,314,723.02/27,586.08
  6. Step 6: Final answer
    x = 27,634.04

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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.