Home / 27,431.46-37,857.51-15,496.11

Finding the Fourth Proportional to 27,431.46, 37,857.51 and 15,496.11

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Solution

The fourth proportional to 27,431.46, 37,857.51 and 15,496.11 is: 21,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.46 : 37,857.51 = 15,496.11 : x
  2. Step 2: Convert to fraction form
    27,431.46/37,857.51 = 15,496.11/x
  3. Step 3: Cross multiply
    27,431.46x = 37,857.51 × 15,496.11
  4. Step 4: Simplify right side
    27,431.46x = 586,644,139.29
  5. Step 5: Solve for x
    x = 586,644,139.29/27,431.46
  6. Step 6: Final answer
    x = 21,385.82

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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.