Home / 27,614.08-38,107.92-15,038.80

Finding the Fourth Proportional to 27,614.08, 38,107.92 and 15,038.80

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Solution

The fourth proportional to 27,614.08, 38,107.92 and 15,038.80 is: 20,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,614.08 : 38,107.92 = 15,038.80 : x
  2. Step 2: Convert to fraction form
    27,614.08/38,107.92 = 15,038.80/x
  3. Step 3: Cross multiply
    27,614.08x = 38,107.92 × 15,038.80
  4. Step 4: Simplify right side
    27,614.08x = 573,097,387.30
  5. Step 5: Solve for x
    x = 573,097,387.30/27,614.08
  6. Step 6: Final answer
    x = 20,753.81

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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.