Home / 27,280.47-37,647.48-15,181.92

Finding the Fourth Proportional to 27,280.47, 37,647.48 and 15,181.92

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Solution

The fourth proportional to 27,280.47, 37,647.48 and 15,181.92 is: 20,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.47 : 37,647.48 = 15,181.92 : x
  2. Step 2: Convert to fraction form
    27,280.47/37,647.48 = 15,181.92/x
  3. Step 3: Cross multiply
    27,280.47x = 37,647.48 × 15,181.92
  4. Step 4: Simplify right side
    27,280.47x = 571,561,029.56
  5. Step 5: Solve for x
    x = 571,561,029.56/27,280.47
  6. Step 6: Final answer
    x = 20,951.29

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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.