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Finding the Fourth Proportional to 23,719, 32,739.05 and 15,658.54

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Solution

The fourth proportional to 23,719, 32,739.05 and 15,658.54 is: 21,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719 : 32,739.05 = 15,658.54 : x
  2. Step 2: Convert to fraction form
    23,719/32,739.05 = 15,658.54/x
  3. Step 3: Cross multiply
    23,719x = 32,739.05 × 15,658.54
  4. Step 4: Simplify right side
    23,719x = 512,645,723.99
  5. Step 5: Solve for x
    x = 512,645,723.99/23,719
  6. Step 6: Final answer
    x = 21,613.29

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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.