Home / 27,848.34-38,429.91-15,272.82

Finding the Fourth Proportional to 27,848.34, 38,429.91 and 15,272.82

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Solution

The fourth proportional to 27,848.34, 38,429.91 and 15,272.82 is: 21,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.34 : 38,429.91 = 15,272.82 : x
  2. Step 2: Convert to fraction form
    27,848.34/38,429.91 = 15,272.82/x
  3. Step 3: Cross multiply
    27,848.34x = 38,429.91 × 15,272.82
  4. Step 4: Simplify right side
    27,848.34x = 586,933,098.05
  5. Step 5: Solve for x
    x = 586,933,098.05/27,848.34
  6. Step 6: Final answer
    x = 21,076.05

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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.