Home / 23,455.52-32,369.12-12,845.60

Finding the Fourth Proportional to 23,455.52, 32,369.12 and 12,845.60

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Solution

The fourth proportional to 23,455.52, 32,369.12 and 12,845.60 is: 17,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,455.52 : 32,369.12 = 12,845.60 : x
  2. Step 2: Convert to fraction form
    23,455.52/32,369.12 = 12,845.60/x
  3. Step 3: Cross multiply
    23,455.52x = 32,369.12 × 12,845.60
  4. Step 4: Simplify right side
    23,455.52x = 415,800,767.87
  5. Step 5: Solve for x
    x = 415,800,767.87/23,455.52
  6. Step 6: Final answer
    x = 17,727.20

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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.