Home / 27,285.05-37,652.98-15,348.38

Finding the Fourth Proportional to 27,285.05, 37,652.98 and 15,348.38

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Solution

The fourth proportional to 27,285.05, 37,652.98 and 15,348.38 is: 21,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.05 : 37,652.98 = 15,348.38 : x
  2. Step 2: Convert to fraction form
    27,285.05/37,652.98 = 15,348.38/x
  3. Step 3: Cross multiply
    27,285.05x = 37,652.98 × 15,348.38
  4. Step 4: Simplify right side
    27,285.05x = 577,912,168.43
  5. Step 5: Solve for x
    x = 577,912,168.43/27,285.05
  6. Step 6: Final answer
    x = 21,180.55

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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.