Home / 27,490.37-37,935.54-15,553.91

Finding the Fourth Proportional to 27,490.37, 37,935.54 and 15,553.91

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Solution

The fourth proportional to 27,490.37, 37,935.54 and 15,553.91 is: 21,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.37 : 37,935.54 = 15,553.91 : x
  2. Step 2: Convert to fraction form
    27,490.37/37,935.54 = 15,553.91/x
  3. Step 3: Cross multiply
    27,490.37x = 37,935.54 × 15,553.91
  4. Step 4: Simplify right side
    27,490.37x = 590,045,785.28
  5. Step 5: Solve for x
    x = 590,045,785.28/27,490.37
  6. Step 6: Final answer
    x = 21,463.73

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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.