Home / 28,950.40-43,429.10-10,226.60

Finding the Fourth Proportional to 28,950.40, 43,429.10 and 10,226.60

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Solution

The fourth proportional to 28,950.40, 43,429.10 and 10,226.60 is: 15,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,950.40 : 43,429.10 = 10,226.60 : x
  2. Step 2: Convert to fraction form
    28,950.40/43,429.10 = 10,226.60/x
  3. Step 3: Cross multiply
    28,950.40x = 43,429.10 × 10,226.60
  4. Step 4: Simplify right side
    28,950.40x = 444,132,229.67
  5. Step 5: Solve for x
    x = 444,132,229.67/28,950.40
  6. Step 6: Final answer
    x = 15,341.14

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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.