Home / 27,748.32-38,292.72-15,648.96

Finding the Fourth Proportional to 27,748.32, 38,292.72 and 15,648.96

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Solution

The fourth proportional to 27,748.32, 38,292.72 and 15,648.96 is: 21,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.32 : 38,292.72 = 15,648.96 : x
  2. Step 2: Convert to fraction form
    27,748.32/38,292.72 = 15,648.96/x
  3. Step 3: Cross multiply
    27,748.32x = 38,292.72 × 15,648.96
  4. Step 4: Simplify right side
    27,748.32x = 599,241,243.57
  5. Step 5: Solve for x
    x = 599,241,243.57/27,748.32
  6. Step 6: Final answer
    x = 21,595.59

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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.