Home / 29,254.87-40,371.59-15,826.09

Finding the Fourth Proportional to 29,254.87, 40,371.59 and 15,826.09

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Solution

The fourth proportional to 29,254.87, 40,371.59 and 15,826.09 is: 21,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,254.87 : 40,371.59 = 15,826.09 : x
  2. Step 2: Convert to fraction form
    29,254.87/40,371.59 = 15,826.09/x
  3. Step 3: Cross multiply
    29,254.87x = 40,371.59 × 15,826.09
  4. Step 4: Simplify right side
    29,254.87x = 638,924,355.42
  5. Step 5: Solve for x
    x = 638,924,355.42/29,254.87
  6. Step 6: Final answer
    x = 21,839.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.