Home / 24,428.72-36,640.20-10,921.52

Finding the Fourth Proportional to 24,428.72, 36,640.20 and 10,921.52

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Solution

The fourth proportional to 24,428.72, 36,640.20 and 10,921.52 is: 16,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,428.72 : 36,640.20 = 10,921.52 : x
  2. Step 2: Convert to fraction form
    24,428.72/36,640.20 = 10,921.52/x
  3. Step 3: Cross multiply
    24,428.72x = 36,640.20 × 10,921.52
  4. Step 4: Simplify right side
    24,428.72x = 400,166,677.10
  5. Step 5: Solve for x
    x = 400,166,677.10/24,428.72
  6. Step 6: Final answer
    x = 16,380.99

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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.