Home / 28,924.56-43,370.64-11,389.68

Finding the Fourth Proportional to 28,924.56, 43,370.64 and 11,389.68

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Solution

The fourth proportional to 28,924.56, 43,370.64 and 11,389.68 is: 17,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.56 : 43,370.64 = 11,389.68 : x
  2. Step 2: Convert to fraction form
    28,924.56/43,370.64 = 11,389.68/x
  3. Step 3: Cross multiply
    28,924.56x = 43,370.64 × 11,389.68
  4. Step 4: Simplify right side
    28,924.56x = 493,977,711.00
  5. Step 5: Solve for x
    x = 493,977,711.00/28,924.56
  6. Step 6: Final answer
    x = 17,078.14

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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.