Home / 27,426.72-41,140.08-19,255.20

Finding the Fourth Proportional to 27,426.72, 41,140.08 and 19,255.20

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Solution

The fourth proportional to 27,426.72, 41,140.08 and 19,255.20 is: 28,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.72 : 41,140.08 = 19,255.20 : x
  2. Step 2: Convert to fraction form
    27,426.72/41,140.08 = 19,255.20/x
  3. Step 3: Cross multiply
    27,426.72x = 41,140.08 × 19,255.20
  4. Step 4: Simplify right side
    27,426.72x = 792,160,468.42
  5. Step 5: Solve for x
    x = 792,160,468.42/27,426.72
  6. Step 6: Final answer
    x = 28,882.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.