Home / 27,103.56-37,398.42-15,927.72

Finding the Fourth Proportional to 27,103.56, 37,398.42 and 15,927.72

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Solution

The fourth proportional to 27,103.56, 37,398.42 and 15,927.72 is: 21,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.56 : 37,398.42 = 15,927.72 : x
  2. Step 2: Convert to fraction form
    27,103.56/37,398.42 = 15,927.72/x
  3. Step 3: Cross multiply
    27,103.56x = 37,398.42 × 15,927.72
  4. Step 4: Simplify right side
    27,103.56x = 595,671,562.20
  5. Step 5: Solve for x
    x = 595,671,562.20/27,103.56
  6. Step 6: Final answer
    x = 21,977.61

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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.