Home / 28,964.12-43,459.67-10,258.31

Finding the Fourth Proportional to 28,964.12, 43,459.67 and 10,258.31

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Solution

The fourth proportional to 28,964.12, 43,459.67 and 10,258.31 is: 15,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.12 : 43,459.67 = 10,258.31 : x
  2. Step 2: Convert to fraction form
    28,964.12/43,459.67 = 10,258.31/x
  3. Step 3: Cross multiply
    28,964.12x = 43,459.67 × 10,258.31
  4. Step 4: Simplify right side
    28,964.12x = 445,822,901.65
  5. Step 5: Solve for x
    x = 445,822,901.65/28,964.12
  6. Step 6: Final answer
    x = 15,392.25

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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.