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Finding the Fourth Proportional to 23,793.90, 32,834.72 and 13,722.77

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Solution

The fourth proportional to 23,793.90, 32,834.72 and 13,722.77 is: 18,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,793.90 : 32,834.72 = 13,722.77 : x
  2. Step 2: Convert to fraction form
    23,793.90/32,834.72 = 13,722.77/x
  3. Step 3: Cross multiply
    23,793.90x = 32,834.72 × 13,722.77
  4. Step 4: Simplify right side
    23,793.90x = 450,583,077.79
  5. Step 5: Solve for x
    x = 450,583,077.79/23,793.90
  6. Step 6: Final answer
    x = 18,936.92

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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.