Home / 20,727.60-28,603.04-11,773.92

Finding the Fourth Proportional to 20,727.60, 28,603.04 and 11,773.92

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Solution

The fourth proportional to 20,727.60, 28,603.04 and 11,773.92 is: 16,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.60 : 28,603.04 = 11,773.92 : x
  2. Step 2: Convert to fraction form
    20,727.60/28,603.04 = 11,773.92/x
  3. Step 3: Cross multiply
    20,727.60x = 28,603.04 × 11,773.92
  4. Step 4: Simplify right side
    20,727.60x = 336,769,904.72
  5. Step 5: Solve for x
    x = 336,769,904.72/20,727.60
  6. Step 6: Final answer
    x = 16,247.41

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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.