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Finding the Fourth Proportional to 24,602.56, 36,921.76 and 9,815.72

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Solution

The fourth proportional to 24,602.56, 36,921.76 and 9,815.72 is: 14,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,602.56 : 36,921.76 = 9,815.72 : x
  2. Step 2: Convert to fraction form
    24,602.56/36,921.76 = 9,815.72/x
  3. Step 3: Cross multiply
    24,602.56x = 36,921.76 × 9,815.72
  4. Step 4: Simplify right side
    24,602.56x = 362,413,448.92
  5. Step 5: Solve for x
    x = 362,413,448.92/24,602.56
  6. Step 6: Final answer
    x = 14,730.72

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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.