Home / 27,091.70-37,388.37-15,156.15

Finding the Fourth Proportional to 27,091.70, 37,388.37 and 15,156.15

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Solution

The fourth proportional to 27,091.70, 37,388.37 and 15,156.15 is: 20,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.70 : 37,388.37 = 15,156.15 : x
  2. Step 2: Convert to fraction form
    27,091.70/37,388.37 = 15,156.15/x
  3. Step 3: Cross multiply
    27,091.70x = 37,388.37 × 15,156.15
  4. Step 4: Simplify right side
    27,091.70x = 566,663,743.98
  5. Step 5: Solve for x
    x = 566,663,743.98/27,091.70
  6. Step 6: Final answer
    x = 20,916.51

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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.