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Finding the Fourth Proportional to 23,904.82, 35,855.85 and 9,115.23

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Solution

The fourth proportional to 23,904.82, 35,855.85 and 9,115.23 is: 13,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,904.82 : 35,855.85 = 9,115.23 : x
  2. Step 2: Convert to fraction form
    23,904.82/35,855.85 = 9,115.23/x
  3. Step 3: Cross multiply
    23,904.82x = 35,855.85 × 9,115.23
  4. Step 4: Simplify right side
    23,904.82x = 326,834,319.60
  5. Step 5: Solve for x
    x = 326,834,319.60/23,904.82
  6. Step 6: Final answer
    x = 13,672.32

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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.