Home / 19,260.92-28,889.72-13,662.66

Finding the Fourth Proportional to 19,260.92, 28,889.72 and 13,662.66

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Solution

The fourth proportional to 19,260.92, 28,889.72 and 13,662.66 is: 20,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.92 : 28,889.72 = 13,662.66 : x
  2. Step 2: Convert to fraction form
    19,260.92/28,889.72 = 13,662.66/x
  3. Step 3: Cross multiply
    19,260.92x = 28,889.72 × 13,662.66
  4. Step 4: Simplify right side
    19,260.92x = 394,710,421.86
  5. Step 5: Solve for x
    x = 394,710,421.86/19,260.92
  6. Step 6: Final answer
    x = 20,492.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.