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Finding the Fourth Proportional to 23,124.66, 34,677.84 and 8,328.42

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Solution

The fourth proportional to 23,124.66, 34,677.84 and 8,328.42 is: 12,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,124.66 : 34,677.84 = 8,328.42 : x
  2. Step 2: Convert to fraction form
    23,124.66/34,677.84 = 8,328.42/x
  3. Step 3: Cross multiply
    23,124.66x = 34,677.84 × 8,328.42
  4. Step 4: Simplify right side
    23,124.66x = 288,811,616.21
  5. Step 5: Solve for x
    x = 288,811,616.21/23,124.66
  6. Step 6: Final answer
    x = 12,489.33

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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.