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Finding the Fourth Proportional to 23,919.52, 35,855.20 and 9,124.80

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Solution

The fourth proportional to 23,919.52, 35,855.20 and 9,124.80 is: 13,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.52 : 35,855.20 = 9,124.80 : x
  2. Step 2: Convert to fraction form
    23,919.52/35,855.20 = 9,124.80/x
  3. Step 3: Cross multiply
    23,919.52x = 35,855.20 × 9,124.80
  4. Step 4: Simplify right side
    23,919.52x = 327,171,528.96
  5. Step 5: Solve for x
    x = 327,171,528.96/23,919.52
  6. Step 6: Final answer
    x = 13,678.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.