Home / 27,559.01-38,031.84-15,622.09

Finding the Fourth Proportional to 27,559.01, 38,031.84 and 15,622.09

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Solution

The fourth proportional to 27,559.01, 38,031.84 and 15,622.09 is: 21,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.01 : 38,031.84 = 15,622.09 : x
  2. Step 2: Convert to fraction form
    27,559.01/38,031.84 = 15,622.09/x
  3. Step 3: Cross multiply
    27,559.01x = 38,031.84 × 15,622.09
  4. Step 4: Simplify right side
    27,559.01x = 594,136,732.27
  5. Step 5: Solve for x
    x = 594,136,732.27/27,559.01
  6. Step 6: Final answer
    x = 21,558.71

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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.