Home / 24,428.20-36,723.30-21,220.60

Finding the Fourth Proportional to 24,428.20, 36,723.30 and 21,220.60

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Solution

The fourth proportional to 24,428.20, 36,723.30 and 21,220.60 is: 31,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,428.20 : 36,723.30 = 21,220.60 : x
  2. Step 2: Convert to fraction form
    24,428.20/36,723.30 = 21,220.60/x
  3. Step 3: Cross multiply
    24,428.20x = 36,723.30 × 21,220.60
  4. Step 4: Simplify right side
    24,428.20x = 779,290,459.98
  5. Step 5: Solve for x
    x = 779,290,459.98/24,428.20
  6. Step 6: Final answer
    x = 31,901.26

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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.