Home / 27,257.34-37,610.91-15,318.39

Finding the Fourth Proportional to 27,257.34, 37,610.91 and 15,318.39

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Solution

The fourth proportional to 27,257.34, 37,610.91 and 15,318.39 is: 21,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.34 : 37,610.91 = 15,318.39 : x
  2. Step 2: Convert to fraction form
    27,257.34/37,610.91 = 15,318.39/x
  3. Step 3: Cross multiply
    27,257.34x = 37,610.91 × 15,318.39
  4. Step 4: Simplify right side
    27,257.34x = 576,138,587.63
  5. Step 5: Solve for x
    x = 576,138,587.63/27,257.34
  6. Step 6: Final answer
    x = 21,137.01

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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.