Home / 19,961.20-27,558.48-17,747.20

Finding the Fourth Proportional to 19,961.20, 27,558.48 and 17,747.20

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Solution

The fourth proportional to 19,961.20, 27,558.48 and 17,747.20 is: 24,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.20 : 27,558.48 = 17,747.20 : x
  2. Step 2: Convert to fraction form
    19,961.20/27,558.48 = 17,747.20/x
  3. Step 3: Cross multiply
    19,961.20x = 27,558.48 × 17,747.20
  4. Step 4: Simplify right side
    19,961.20x = 489,085,856.26
  5. Step 5: Solve for x
    x = 489,085,856.26/19,961.20
  6. Step 6: Final answer
    x = 24,501.83

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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.