Home / 20,960.00-28,917.74-14,233.96

Finding the Fourth Proportional to 20,960.00, 28,917.74 and 14,233.96

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Solution

The fourth proportional to 20,960.00, 28,917.74 and 14,233.96 is: 19,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960.00 : 28,917.74 = 14,233.96 : x
  2. Step 2: Convert to fraction form
    20,960.00/28,917.74 = 14,233.96/x
  3. Step 3: Cross multiply
    20,960.00x = 28,917.74 × 14,233.96
  4. Step 4: Simplify right side
    20,960.00x = 411,614,026.18
  5. Step 5: Solve for x
    x = 411,614,026.18/20,960.00
  6. Step 6: Final answer
    x = 19,638.07

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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.