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Finding the Fourth Proportional to 24,461.88, 36,690.66 and 8,879.64

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Solution

The fourth proportional to 24,461.88, 36,690.66 and 8,879.64 is: 13,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,461.88 : 36,690.66 = 8,879.64 : x
  2. Step 2: Convert to fraction form
    24,461.88/36,690.66 = 8,879.64/x
  3. Step 3: Cross multiply
    24,461.88x = 36,690.66 × 8,879.64
  4. Step 4: Simplify right side
    24,461.88x = 325,799,852.16
  5. Step 5: Solve for x
    x = 325,799,852.16/24,461.88
  6. Step 6: Final answer
    x = 13,318.68

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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.